{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354467,"usec":23185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.306785,"noise_level":-16.700422,"freq_skew":1.828142,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10920A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354510,"usec":441677},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580828,"noise_level":-16.830931,"freq_skew":2.117012,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"N7059P","msg_num":"C96","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE0841370301ACA\n08393616719 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354512,"usec":744519},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809935,"noise_level":-17.415163,"freq_skew":2.014837,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"N7059P","msg_num":"C97","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE0841370301ACA\n08393616719 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354515,"usec":36966},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070071,"noise_level":-17.469719,"freq_skew":1.969407,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354543,"usec":211651},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633030,"noise_level":-16.522799,"freq_skew":2.042173,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":49,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354545,"usec":502246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.674205,"noise_level":-16.782406,"freq_skew":0.199730,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354546,"usec":269676},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.320338,"noise_level":-16.869719,"freq_skew":0.282087,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7725,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[153,97,67,186]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354546,"usec":275119},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.822089,"noise_level":-16.861723,"freq_skew":0.336052,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7725,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[108,73,42,6]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":42,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354555,"usec":388828},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.442418,"noise_level":-16.679041,"freq_skew":0.512195,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7725,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,7,129,126]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":42,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354556,"usec":158661},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265421,"noise_level":-17.709190,"freq_skew":0.365924,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354556,"usec":162400},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.143119,"noise_level":-17.662607,"freq_skew":0.570732,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":14789,"dst_ref":7725,"variable_part_params":[{"name":"atn_checksum","value":[6,185,35,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354556,"usec":920276},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269910,"noise_level":-17.603083,"freq_skew":0.459637,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1783,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[81,45,230,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":42,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354556,"usec":929692},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915374,"noise_level":-17.650854,"freq_skew":2.244552,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354557,"usec":736855},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.418011,"noise_level":-17.701939,"freq_skew":0.503870,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354557,"usec":740394},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.457710,"noise_level":-17.655396,"freq_skew":0.297523,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[240,44,54,10]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354562,"usec":271613},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.457480,"noise_level":-17.441811,"freq_skew":0.421579,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354562,"usec":271613},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.457480,"noise_level":-17.441811,"freq_skew":0.421579,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10920A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EVRA"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354562,"usec":271613},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":2,"sig_level":-5.457480,"noise_level":-17.441811,"freq_skew":0.421579,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[155,197,154,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354563,"usec":812815},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946635,"noise_level":-17.018784,"freq_skew":0.355116,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1783,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[48,171,2,212]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":42,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354565,"usec":329091},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.663331,"noise_level":-17.370594,"freq_skew":0.425812,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354572,"usec":158562},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323167,"noise_level":-16.820221,"freq_skew":0.456101,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10920A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354572,"usec":926967},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290484,"noise_level":-16.844915,"freq_skew":0.221297,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10920A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354614,"usec":821816},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.152611,"noise_level":-16.652161,"freq_skew":0.576159,"avlc":{"src":{"addr":"15200F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354617,"usec":873027},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.864078,"noise_level":-16.711742,"freq_skew":0.371496,"avlc":{"src":{"addr":"15200F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354620,"usec":928794},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.048862,"noise_level":-16.697830,"freq_skew":0.287161,"avlc":{"src":{"addr":"15200F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354627,"usec":753838},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222936,"noise_level":-16.476795,"freq_skew":0.261912,"avlc":{"src":{"addr":"15200F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354682,"usec":752496},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.420480,"noise_level":-17.136013,"freq_skew":0.389461,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10920A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[155,197,154,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354684,"usec":282099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.370235,"noise_level":-17.658319,"freq_skew":0.296580,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10920A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354688,"usec":864914},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948480,"noise_level":-17.477400,"freq_skew":0.444069,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10920A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354688,"usec":865895},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888873,"noise_level":-17.464417,"freq_skew":0.453762,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10920A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[143,218,230,208]}]},{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[138,176,140,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354690,"usec":343818},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.935958,"noise_level":-17.156704,"freq_skew":0.497924,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EVRA"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354690,"usec":343818},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-4.935958,"noise_level":-17.156704,"freq_skew":0.497924,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10920A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354691,"usec":873839},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934086,"noise_level":-17.764252,"freq_skew":0.171191,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026507","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,45,71,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354691,"usec":875756},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071483,"noise_level":-18.014845,"freq_skew":0.069522,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABF","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"BT0725","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354692,"usec":643106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079994,"noise_level":-17.715948,"freq_skew":0.277623,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354693,"usec":413037},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249738,"noise_level":-17.530958,"freq_skew":0.485003,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354699,"usec":518868},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727865,"noise_level":-16.613392,"freq_skew":1.963804,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"N7059P","msg_num":"C98","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE0844460301ACA\n08424506719 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354701,"usec":816007},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947815,"noise_level":-17.329514,"freq_skew":1.906415,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"N7059P","msg_num":"C99","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE0844460301ACA\n08424506719 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354704,"usec":822672},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864496,"noise_level":-17.505138,"freq_skew":2.082595,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354739,"usec":882458},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.367033,"noise_level":-16.940157,"freq_skew":1.383722,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":241,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1782,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[216,20,199,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354780,"usec":300924},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.971728,"noise_level":-16.583368,"freq_skew":0.236084,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":185,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354786,"usec":354067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.513960,"noise_level":-16.576866,"freq_skew":-0.042757,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354789,"usec":416153},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.238614,"noise_level":-16.527851,"freq_skew":0.394575,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABF","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"BT0725","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354802,"usec":358608},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.292959,"noise_level":-16.536966,"freq_skew":0.100529,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":186,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[155,197,154,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354803,"usec":884186},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122323,"noise_level":-16.684542,"freq_skew":0.192486,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354809,"usec":243013},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620052,"noise_level":-16.428329,"freq_skew":-0.015570,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":187,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[138,176,140,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354809,"usec":247072},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899754,"noise_level":-16.370945,"freq_skew":-0.008045,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[143,218,230,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354810,"usec":8704},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923436,"noise_level":-16.847475,"freq_skew":0.097981,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354826,"usec":715996},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.065904,"noise_level":-17.124359,"freq_skew":1.091355,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":242,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354832,"usec":78323},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375724,"noise_level":-16.902987,"freq_skew":-2.251158,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ULLI"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354832,"usec":78481},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-13.856772,"noise_level":-16.902987,"freq_skew":1.178774,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354832,"usec":837897},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601691,"noise_level":-17.940397,"freq_skew":-2.320911,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22725302","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,72,89,0,75,170,194,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354833,"usec":601082},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553207,"noise_level":-18.608320,"freq_skew":-2.412858,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JVB","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"TK01SL","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354835,"usec":124224},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349787,"noise_level":-18.355511,"freq_skew":-2.147812,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354836,"usec":655436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448218,"noise_level":-19.159033,"freq_skew":-2.385339,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354842,"usec":718913},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797002,"noise_level":-18.453365,"freq_skew":1.617367,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":50,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354856,"usec":477242},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888325,"noise_level":-17.243660,"freq_skew":1.906460,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"N7059P","msg_num":"C01","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE0847230301ACA\n08451616719 0 0\n08455906719 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354857,"usec":191203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774753,"noise_level":-17.669752,"freq_skew":1.593302,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354857,"usec":959590},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.355303,"noise_level":-18.422047,"freq_skew":2.291510,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354859,"usec":490751},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747501,"noise_level":-18.088123,"freq_skew":1.814216,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"N7059P","msg_num":"C02","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE0847230301ACA\n08451616719 0 0\n08455906719 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354859,"usec":492830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.143032,"noise_level":-18.060287,"freq_skew":2.430933,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354859,"usec":495258},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176617,"noise_level":-18.032541,"freq_skew":1.180443,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1782,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[56,12,130,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354860,"usec":251771},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921743,"noise_level":-18.863152,"freq_skew":1.176746,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":244,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1782,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[216,20,199,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354861,"usec":19687},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257399,"noise_level":-18.563560,"freq_skew":1.224744,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354861,"usec":778567},"freq":136975000,"burst_len_octets":143,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.419698,"noise_level":-18.439299,"freq_skew":0.575315,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,66,84,73,0,80,44,215,0,1,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,76,84,0,1,86,67,1,1,0,0,69,83,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":772,"segment_offset":0,"pdu_total_len":123},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":18}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":3415,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[67,77]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[116,70]},{"name":"atn_checksum","value":[90,232,251,70]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354862,"usec":606209},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605172,"noise_level":-18.841457,"freq_skew":1.634056,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354863,"usec":302389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248466,"noise_level":-18.958292,"freq_skew":0.377613,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354863,"usec":303441},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172642,"noise_level":-18.942896,"freq_skew":0.408962,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":773,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1785,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[173,124,23,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354864,"usec":68658},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.017251,"noise_level":-19.031279,"freq_skew":0.243484,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":774,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1785,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[49,67,215,192]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5254359,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"BTI9KV","long_tsap":{"rdp":[65,66,84,73,0],"short_tsap":{"ars":[80,44,215],"loc_sys_nsel_tsel":[0,1,0,0,0,0,0,1,1,67,77]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,66,84,73,0],"short_tsap":{"ars":[80,44,215],"loc_sys_nsel_tsel":[0,1,0,0,0,0,0,1,1,22,0]}}}}}}],"departure_airport":"EVRA","destination_airport":"LIRF"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354864,"usec":837162},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.522330,"noise_level":-18.801268,"freq_skew":0.278495,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354864,"usec":838818},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.537867,"noise_level":-19.455463,"freq_skew":0.350463,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":775,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1785,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[33,28,18,124]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354864,"usec":838818},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.537867,"noise_level":-19.455463,"freq_skew":0.350463,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":776,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3415,"dst_ref":1785,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[124,238,240,106]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354865,"usec":601131},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244720,"noise_level":-19.262894,"freq_skew":0.559133,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354866,"usec":365253},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544477,"noise_level":-19.096926,"freq_skew":-2.137925,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":647,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[203,86,23,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354866,"usec":365253},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.544477,"noise_level":-19.096926,"freq_skew":-2.137925,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":647,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[73,3,146,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354866,"usec":365668},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981577,"noise_level":-19.995560,"freq_skew":0.269430,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354867,"usec":134159},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581759,"noise_level":-19.747374,"freq_skew":-2.431698,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354867,"usec":948551},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.262345,"noise_level":-20.559788,"freq_skew":0.334307,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":777,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":3416,"dst_ref":1797,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[99,112]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[102,154,36,199]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354869,"usec":425312},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.286412,"noise_level":-20.064640,"freq_skew":0.566083,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":778,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1797,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[161,73,140,106]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":47,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354870,"usec":953171},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.600596,"noise_level":-19.984222,"freq_skew":0.368306,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354870,"usec":953171},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.600596,"noise_level":-19.984222,"freq_skew":0.368306,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":779,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1797,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[83,119,69,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354871,"usec":716826},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963229,"noise_level":-19.787062,"freq_skew":0.093193,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354872,"usec":433759},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131985,"noise_level":-19.454483,"freq_skew":0.432015,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354873,"usec":194821},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.274401,"noise_level":-19.221087,"freq_skew":0.520681,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":780,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1797,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[168,68,119,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354878,"usec":553191},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.007752,"noise_level":-18.067757,"freq_skew":0.509594,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-CSH","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"BT0633","msg_num":"C41","msg_num_seq":"A","sublabel":"CF","msg_text":"232A03 01Mar2026 08:47:40 CRUISE 0\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354880,"usec":898091},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.791610,"noise_level":-17.642944,"freq_skew":0.528943,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354922,"usec":838028},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827842,"noise_level":-17.245678,"freq_skew":0.277581,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[155,197,154,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354922,"usec":839192},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736579,"noise_level":-17.226723,"freq_skew":0.212210,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[5,240,242,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354923,"usec":603363},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496505,"noise_level":-17.070341,"freq_skew":0.120876,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354925,"usec":133497},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.081348,"noise_level":-17.006376,"freq_skew":0.681872,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":781,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354926,"usec":664391},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473447,"noise_level":-17.229462,"freq_skew":-2.375635,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354926,"usec":672515},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.585723,"noise_level":-17.228281,"freq_skew":2.314002,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354930,"usec":482612},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578848,"noise_level":-17.025660,"freq_skew":0.256926,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[138,176,140,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354930,"usec":482612},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.578848,"noise_level":-17.025660,"freq_skew":0.256926,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[143,218,230,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354931,"usec":252121},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.513899,"noise_level":-17.779730,"freq_skew":2.579212,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354931,"usec":252121},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.513899,"noise_level":-17.779730,"freq_skew":2.579212,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354931,"usec":253129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243871,"noise_level":-17.766287,"freq_skew":0.069694,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354935,"usec":14341},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868755,"noise_level":-17.496956,"freq_skew":2.506785,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":279,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354935,"usec":787247},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817552,"noise_level":-17.330715,"freq_skew":-2.325312,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":226,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354957,"usec":900994},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756496,"noise_level":-16.886080,"freq_skew":-2.427873,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354979,"usec":966304},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102478,"noise_level":-16.252895,"freq_skew":1.191613,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1782,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[56,12,130,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354980,"usec":725624},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737516,"noise_level":-17.447119,"freq_skew":0.889846,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1782,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[216,20,199,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354981,"usec":497894},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229251,"noise_level":-18.152983,"freq_skew":0.473097,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354981,"usec":500107},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.451283,"noise_level":-18.117943,"freq_skew":0.395897,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026327","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,44,215,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354981,"usec":500107},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.451283,"noise_level":-18.117943,"freq_skew":0.395897,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-CSH","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"BT0633","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354983,"usec":85111},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242246,"noise_level":-18.217901,"freq_skew":0.448886,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354983,"usec":796381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.015753,"noise_level":-18.153984,"freq_skew":0.614053,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354986,"usec":83161},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988610,"noise_level":-17.729681,"freq_skew":-2.325724,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":647,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[203,86,23,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354986,"usec":846015},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.400228,"noise_level":-18.790462,"freq_skew":-2.229628,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354986,"usec":849077},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646080,"noise_level":-19.933647,"freq_skew":-2.333103,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":647,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[73,3,146,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354990,"usec":667006},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920355,"noise_level":-19.083187,"freq_skew":0.588396,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":782,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1797,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[23,6,73,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354991,"usec":430135},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353074,"noise_level":-18.882315,"freq_skew":0.224259,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354991,"usec":433884},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.312130,"noise_level":-19.603649,"freq_skew":2.515796,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354992,"usec":199518},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584528,"noise_level":-19.350130,"freq_skew":-2.218773,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JVB","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TK01SL","msg_num":"F05","msg_num_seq":"A","sublabel":"M1","msg_text":"ALT/WRULLI.ULAA.EPWA.EVRA/SP58B0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354993,"usec":727843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313414,"noise_level":-19.806667,"freq_skew":-2.401326,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772354997,"usec":497026},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804091,"noise_level":-19.537506,"freq_skew":-2.444133,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JVB","mode":"2","label":"_d","blk_id":"3","ack":"U","flight":"TK01SL","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355001,"usec":325138},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745597,"noise_level":-19.552891,"freq_skew":-2.507633,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JVB","mode":"2","label":"_d","blk_id":"4","ack":"V","flight":"TK01SL","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355002,"usec":851536},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526950,"noise_level":-20.187374,"freq_skew":-2.486192,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JVB","mode":"2","label":"_d","blk_id":"5","ack":"W","flight":"TK01SL","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355021,"usec":142424},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913086,"noise_level":-16.989603,"freq_skew":0.048171,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABF","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"BT0725","msg_num":"L01","msg_num_seq":"A","msg_text":"/EVRA.TI2/024EVRAA8EDD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355022,"usec":674065},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914356,"noise_level":-17.424725,"freq_skew":0.109202,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABF","mode":"2","label":"_d","blk_id":"0","ack":"B","flight":"BT0725","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355024,"usec":972586},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663691,"noise_level":-17.517559,"freq_skew":0.080458,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABF","mode":"2","label":"_d","blk_id":"1","ack":"C","flight":"BT0725","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355043,"usec":207004},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904746,"noise_level":-16.748474,"freq_skew":0.222337,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[155,197,154,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355044,"usec":739838},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726220,"noise_level":-17.366846,"freq_skew":0.080709,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355045,"usec":500235},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593051,"noise_level":-17.347692,"freq_skew":-0.006156,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355045,"usec":503257},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.540326,"noise_level":-17.296640,"freq_skew":2.198401,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":649,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[136,239,69,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355045,"usec":507356},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408617,"noise_level":-17.239561,"freq_skew":-0.008142,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":194,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[5,240,242,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355046,"usec":270352},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668636,"noise_level":-18.233730,"freq_skew":-2.494787,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355047,"usec":31239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.042181,"noise_level":-19.051819,"freq_skew":2.482681,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355050,"usec":95062},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638011,"noise_level":-18.187416,"freq_skew":0.213036,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[138,176,140,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355050,"usec":856981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381246,"noise_level":-18.914808,"freq_skew":-0.081355,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355079,"usec":797310},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769627,"noise_level":-17.100697,"freq_skew":2.270518,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355079,"usec":800149},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267843,"noise_level":-17.076359,"freq_skew":2.291798,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":649,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[221,188,119,49]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":649,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[62,99,179,22]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":51,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355080,"usec":564282},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453518,"noise_level":-17.056820,"freq_skew":-0.068941,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":196,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355082,"usec":99272},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.999213,"noise_level":-17.393303,"freq_skew":2.493007,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":649,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[221,188,119,49]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":649,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[62,99,179,22]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":51,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355084,"usec":391886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066695,"noise_level":-17.558481,"freq_skew":2.416594,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355085,"usec":924506},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835625,"noise_level":-17.167406,"freq_skew":-0.027784,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355092,"usec":745102},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852563,"noise_level":-16.763668,"freq_skew":1.011199,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":247,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1782,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[141,216,180,83]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1782,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[154,112,71,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":51,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355094,"usec":272871},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731180,"noise_level":-17.578827,"freq_skew":0.787832,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":248,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":58,"dst_ref":654,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[152,252,174,204]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355095,"usec":36087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716014,"noise_level":-17.979034,"freq_skew":0.726017,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355106,"usec":453435},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967583,"noise_level":-16.976145,"freq_skew":-2.400219,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":647,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[73,3,146,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355110,"usec":277644},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915734,"noise_level":-16.849100,"freq_skew":0.337199,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":783,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1797,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[23,6,73,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355113,"usec":335469},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.455452,"noise_level":-17.081394,"freq_skew":2.958199,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355121,"usec":694252},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.160888,"noise_level":-17.278715,"freq_skew":2.355805,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355127,"usec":37724},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753966,"noise_level":-17.041151,"freq_skew":0.739303,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":249,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355132,"usec":393663},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578878,"noise_level":-17.934013,"freq_skew":0.701849,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355142,"usec":278015},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828360,"noise_level":-17.092562,"freq_skew":1.624141,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":51,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355145,"usec":345382},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254277,"noise_level":-16.972927,"freq_skew":-0.112210,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355157,"usec":515528},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873085,"noise_level":-16.795519,"freq_skew":1.490935,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355159,"usec":813335},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707942,"noise_level":-17.562513,"freq_skew":0.849328,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LVL","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"AY09DZ","msg_num":"M51","msg_num_seq":"A","msg_text":"/EFHK.TI2/024EFHKAFE13"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355161,"usec":339120},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960894,"noise_level":-18.046356,"freq_skew":0.792351,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355164,"usec":393392},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481146,"noise_level":-17.932674,"freq_skew":-0.046453,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":197,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[5,240,242,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355165,"usec":103396},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706583,"noise_level":-18.927486,"freq_skew":0.982258,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LVL","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"AY09DZ","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355165,"usec":879026},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907599,"noise_level":-19.632311,"freq_skew":0.892423,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LVL","mode":"2","label":"_d","blk_id":"3","ack":"K","flight":"AY09DZ","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355166,"usec":639316},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665116,"noise_level":-20.327038,"freq_skew":0.638550,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LVL","mode":"2","label":"_d","blk_id":"4","ack":"L","flight":"AY09DZ","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355169,"usec":701822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167643,"noise_level":-20.251499,"freq_skew":-2.209862,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355170,"usec":458549},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596911,"noise_level":-20.672600,"freq_skew":-0.103457,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":198,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[138,176,140,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355171,"usec":221236},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426007,"noise_level":-20.413706,"freq_skew":-0.179240,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355171,"usec":226935},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781477,"noise_level":-20.937122,"freq_skew":-0.248523,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[143,218,230,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355172,"usec":756392},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426435,"noise_level":-21.256123,"freq_skew":-0.117382,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EVRA"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355173,"usec":515498},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740372,"noise_level":-21.821375,"freq_skew":-0.015692,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026507","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,45,71,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355173,"usec":515498},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.740372,"noise_level":-21.821375,"freq_skew":-0.015692,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABF","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"BT0725","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355175,"usec":51870},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645660,"noise_level":-21.111984,"freq_skew":-0.199420,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355176,"usec":572637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720326,"noise_level":-20.773148,"freq_skew":0.078546,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355188,"usec":759840},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.767397,"noise_level":-17.420118,"freq_skew":1.883242,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[224,1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355189,"usec":521828},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.060830,"noise_level":-17.827972,"freq_skew":1.926035,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355190,"usec":279162},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.034384,"noise_level":-17.746101,"freq_skew":2.094169,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355191,"usec":53766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.453966,"noise_level":-17.422012,"freq_skew":1.972053,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355193,"usec":343815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.608382,"noise_level":-17.379639,"freq_skew":1.753590,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355194,"usec":822556},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000034,"noise_level":-17.015726,"freq_skew":1.857132,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":325,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355212,"usec":353983},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661654,"noise_level":-16.878193,"freq_skew":0.779014,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1782,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[141,216,180,83]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355213,"usec":875710},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931925,"noise_level":-17.868790,"freq_skew":0.840584,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355214,"usec":650005},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806456,"noise_level":-18.855793,"freq_skew":0.709092,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":654,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[184,62,136,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355225,"usec":348768},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.659787,"noise_level":-17.380424,"freq_skew":0.371368,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355225,"usec":348768},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.659787,"noise_level":-17.380424,"freq_skew":0.371368,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":784,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355226,"usec":867887},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893839,"noise_level":-17.145910,"freq_skew":-2.333118,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":647,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[203,86,23,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355226,"usec":870870},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928456,"noise_level":-17.114698,"freq_skew":-2.614628,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":647,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[73,3,146,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355226,"usec":876254},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635242,"noise_level":-17.177879,"freq_skew":-2.401085,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":647,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[203,86,23,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355227,"usec":585132},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.283832,"noise_level":-17.096666,"freq_skew":1.400303,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"N7059P","msg_num":"M13","msg_num_seq":"A","msg_text":"/EFHK.TI2/024EFHKAFE13"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355227,"usec":594231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739699,"noise_level":-16.979319,"freq_skew":-2.507801,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355229,"usec":115838},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957952,"noise_level":-17.884457,"freq_skew":0.568432,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":784,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355230,"usec":703607},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859043,"noise_level":-18.474657,"freq_skew":0.414475,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":785,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1797,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[23,6,73,182]}]},{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1797,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[168,68,119,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355230,"usec":703822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898994,"noise_level":-19.283907,"freq_skew":1.641797,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355232,"usec":172113},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.188692,"noise_level":-18.877628,"freq_skew":0.197306,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355233,"usec":707552},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931191,"noise_level":-18.474920,"freq_skew":1.597423,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"_d","blk_id":"9","ack":"J","flight":"N7059P","msg_num":"M14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355235,"usec":234889},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.892964,"noise_level":-18.368542,"freq_skew":-2.426307,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":232,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355237,"usec":520423},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860909,"noise_level":-17.960747,"freq_skew":1.417253,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"_d","blk_id":"0","ack":"K","flight":"N7059P","msg_num":"M15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355239,"usec":53683},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743994,"noise_level":-18.077509,"freq_skew":1.330747,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"_d","blk_id":"1","ack":"L","flight":"N7059P","msg_num":"M16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355241,"usec":345015},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129711,"noise_level":-18.653004,"freq_skew":1.525676,"avlc":{"src":{"addr":"461E1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKO","mode":"2","label":"_d","blk_id":"2","ack":"M","flight":"N7059P","msg_num":"M17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355245,"usec":879042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710166,"noise_level":-18.273155,"freq_skew":-2.429389,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355255,"usec":50292},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607036,"noise_level":-16.840893,"freq_skew":-1.485147,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"UUWW"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355255,"usec":815256},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758532,"noise_level":-17.479342,"freq_skew":-1.383138,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24200425","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,82,85,0,81,1,21,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355256,"usec":587978},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731263,"noise_level":-17.337547,"freq_skew":-1.232379,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"B20981","msg_num":"S00","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355256,"usec":590015},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710117,"noise_level":-17.312014,"freq_skew":-1.548890,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":32,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,66,82,85,0,81,1,21],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355257,"usec":293922},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509477,"noise_level":-17.561871,"freq_skew":-1.291759,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":2,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,66,82,85,0,81,1,21]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,66,82,85,0,81,1,21]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355258,"usec":58829},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502031,"noise_level":-17.964136,"freq_skew":-1.368748,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"B20981","msg_num":"M00","msg_num_seq":"A","msg_text":"0E20854162","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":54,"sec":16}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355258,"usec":827899},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839361,"noise_level":-17.726915,"freq_skew":-1.294339,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":3,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355259,"usec":585941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755255,"noise_level":-17.724346,"freq_skew":-1.471492,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355259,"usec":595665},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639075,"noise_level":-17.700251,"freq_skew":-1.223027,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"EW527PA","mode":"2","label":"80","blk_id":"2","ack":"!","flight":"B20981","msg_num":"M01","msg_num_seq":"A","msg_text":"3501 SUMMRY 0736/ / EW527PA\r\n/OUT 0040/FOB 0290\r\n/OFF 0106/FOB 0288\r\n/ON 0426/FOB 0097\r\n/IN 0435/FOB 0092\r\n/TKO CAPT /CRW \r\n/LND CAPT /CRW \r\n/APP N /RWY /RVR /ALT \r\n/ERR"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355260,"usec":351622},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.567979,"noise_level":-17.700251,"freq_skew":2.557502,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355261,"usec":178473},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.972602,"noise_level":-17.528652,"freq_skew":3.649575,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355261,"usec":189380},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668461,"noise_level":-17.905907,"freq_skew":-1.418650,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"80","blk_id":"3","ack":"!","flight":"B20981","msg_num":"M01","msg_num_seq":"B","msg_text":"3501 SUMMRY 0736/ / EW527PA\r\n/OUT 0040/FOB 0290\r\n/OFF 0106/FOB 0288\r\n/ON 0426/FOB 0097\r\n/IN 0435/FOB 0092\r\n/TKO CAPT /CRW \r\n/LND CAPT /CRW \r\n/APP N /RWY /RVR /ALT \r\n/ERR /ERR /ERR \r\n/CPT /FO \r\n/SO1 /SO2 \r\n/CHK "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355263,"usec":413351},"freq":136975000,"burst_len_octets":132,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719052,"noise_level":-17.458397,"freq_skew":-1.434913,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"80","blk_id":"4","ack":"!","flight":"B20981","msg_num":"M02","msg_num_seq":"A","msg_text":"1001 OUTRP 0981/ UMMS/UUWW EW527PA\r\n/OUT 0837/FOB 0223/BRD /UNT LITERS /TYP A "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355265,"usec":708841},"freq":136975000,"burst_len_octets":120,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694726,"noise_level":-17.301888,"freq_skew":-1.421071,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"80","blk_id":"5","ack":"!","flight":"B20981","msg_num":"M03","msg_num_seq":"A","msg_text":"1101 OFFRP 0981/ UMMS/UUWW EW527PA\r\n/OUT 0837/OFF 0850/FOB 0220/ETA "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355266,"usec":467384},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494721,"noise_level":-17.611206,"freq_skew":-1.303593,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355266,"usec":474894},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407759,"noise_level":-17.480247,"freq_skew":-1.504114,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,82,85,0,81,1,21,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355267,"usec":238337},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547797,"noise_level":-18.272205,"freq_skew":-1.275025,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"B20981","msg_num":"D00","msg_num_seq":"A","sublabel":"DF","msg_text":"*VALUES\r\nTC AIP#CRUISE#01-MAR-2026\r\n02:03:18#1#1#0#0#0#35003#-29.8#-56.5#267#0.786#1# 66895#\r\n 86.1# 637# 90.9# 1237# 45# 87#0.29#0.10#0.10#0.47# 27#\r\n 35# 1.1#00014#08830# 61.8#---.-#:::.:#:::.:#\r\n 86.1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355269,"usec":530430},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468403,"noise_level":-17.821362,"freq_skew":-1.437989,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"B20981","msg_num":"D00","msg_num_seq":"B","sublabel":"DF","msg_text":"*VALUES\r\nTC AIP#CRUISE#01-MAR-2026\r\n02:03:18#1#1#0#0#0#35003#-29.8#-56.5#267#0.786#1# 66895#\r\n 86.1# 637# 90.9# 1237# 45# 87#0.29#0.10#0.10#0.47# 27#\r\n 35# 1.1#00014#08830# 61.8#---.-#:::.:#:::.:#\r\n 86.1# 616# 91.0# 1217# 46# 91#0.00#0.05#0.11#0.20#///#\r\n 62# 1.5#00014#08939# 61.8#---.-#:::.:#:::.:\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355271,"usec":820990},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217432,"noise_level":-17.957119,"freq_skew":-1.416135,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355271,"usec":824445},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911384,"noise_level":-18.732265,"freq_skew":-1.569389,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"B20981","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"JNYTC AIP''''''''010326 435''''UGTBUMMSU7360058010604350426 336 32\r\n0 13208 3665 4427"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355273,"usec":300117},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824430,"noise_level":-18.314262,"freq_skew":-1.219640,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355275,"usec":589397},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698497,"noise_level":-17.861288,"freq_skew":-1.471055,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"UUWW"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355276,"usec":353431},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842584,"noise_level":-18.137444,"freq_skew":-1.482056,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24200425","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,82,85,0,81,1,21,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355276,"usec":357600},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671813,"noise_level":-18.763313,"freq_skew":-1.577827,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"B20981","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355277,"usec":884763},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793429,"noise_level":-19.073080,"freq_skew":-1.365581,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":4,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":2,"credit_offered":32,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,66,82,85,0,81,1,21],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355277,"usec":889344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677048,"noise_level":-18.972179,"freq_skew":-1.244200,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355278,"usec":652128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991194,"noise_level":-19.522692,"freq_skew":-1.315635,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355278,"usec":652759},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521746,"noise_level":-19.791281,"freq_skew":-1.472344,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"UUWW"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355279,"usec":410045},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796899,"noise_level":-19.933010,"freq_skew":-1.389279,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":5,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":2,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,66,82,85,0,81,1,21]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,66,82,85,0,81,1,21]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355279,"usec":412275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553353,"noise_level":-19.898602,"freq_skew":-1.472870,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355280,"usec":175862},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736686,"noise_level":-20.405767,"freq_skew":-1.423322,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24200425","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,82,85,0,81,1,21,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355280,"usec":175862},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.736686,"noise_level":-20.405767,"freq_skew":-1.423322,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":6,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355280,"usec":938804},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949785,"noise_level":-20.181160,"freq_skew":-1.429756,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":7,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":32,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,66,82,85,0,81,1,21],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355280,"usec":943355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743349,"noise_level":-20.320023,"freq_skew":-1.424311,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355281,"usec":705263},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005507,"noise_level":-20.159302,"freq_skew":-1.422442,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":8,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,66,82,85,0,81,1,21]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,66,82,85,0,81,1,21]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355282,"usec":472212},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891175,"noise_level":-20.468493,"freq_skew":-1.538006,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355282,"usec":482565},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705999,"noise_level":-20.525867,"freq_skew":-1.423664,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":9,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355284,"usec":60380},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.200096,"noise_level":-20.182095,"freq_skew":-1.433965,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355284,"usec":60693},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802064,"noise_level":-20.182095,"freq_skew":-0.346339,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[155,197,154,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355284,"usec":65884},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345059,"noise_level":-21.021559,"freq_skew":-0.163954,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":201,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[5,240,242,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355285,"usec":534744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597614,"noise_level":-21.933348,"freq_skew":-0.282073,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355285,"usec":537266},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.075840,"noise_level":-21.890051,"freq_skew":-2.482864,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355286,"usec":291543},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.074104,"noise_level":-21.912699,"freq_skew":-2.474238,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":647,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[33,35,73,43]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355286,"usec":293390},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.143334,"noise_level":-21.858740,"freq_skew":-2.491266,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":647,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[19,186,17,192]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":54,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355287,"usec":764695},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784656,"noise_level":-21.971844,"freq_skew":-1.520401,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,82,85,0,81,1,21,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355287,"usec":764838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.538255,"noise_level":-21.971844,"freq_skew":-2.491127,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355289,"usec":294316},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323734,"noise_level":-21.453535,"freq_skew":-2.288286,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355290,"usec":822134},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514251,"noise_level":-20.925684,"freq_skew":-1.329107,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355290,"usec":822986},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246666,"noise_level":-20.935595,"freq_skew":-1.596337,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,82,85,0,81,1,21,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355290,"usec":833473},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635465,"noise_level":-20.744240,"freq_skew":-0.309471,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[138,176,140,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355291,"usec":594747},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095947,"noise_level":-21.426689,"freq_skew":0.201693,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355292,"usec":366762},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522484,"noise_level":-21.115015,"freq_skew":-0.141214,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355293,"usec":121481},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577223,"noise_level":-22.029142,"freq_skew":-0.313089,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355293,"usec":121481},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.577223,"noise_level":-22.029142,"freq_skew":-0.313089,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":203,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[143,218,230,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355294,"usec":652571},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877311,"noise_level":-22.076321,"freq_skew":-2.350581,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":235,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":647,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[68,16,55,120]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":54,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355295,"usec":422246},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594715,"noise_level":-21.776915,"freq_skew":-2.319078,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":236,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":27464,"dst_ref":647,"variable_part_params":[{"name":"atn_checksum","value":[114,103,169,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355304,"usec":534403},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912678,"noise_level":-19.422390,"freq_skew":1.998725,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":326,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1790,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[120,202,109,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355305,"usec":300685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988741,"noise_level":-19.126772,"freq_skew":1.771245,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355309,"usec":887821},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897568,"noise_level":-18.063442,"freq_skew":-1.282630,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355312,"usec":184139},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506138,"noise_level":-18.359455,"freq_skew":1.968463,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355312,"usec":946230},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762698,"noise_level":-18.280712,"freq_skew":1.731741,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":327,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":655,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[215,38,35,53]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355322,"usec":64911},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639181,"noise_level":-17.060003,"freq_skew":-1.341156,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"B20981","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355323,"usec":593038},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.149469,"noise_level":-17.897915,"freq_skew":-1.423053,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"B20981","msg_num":"M04","msg_num_seq":"A","msg_text":"0E20854342","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":54,"sec":34}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355325,"usec":893942},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437368,"noise_level":-17.517950,"freq_skew":-1.343483,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"B20981","msg_num":"M05","msg_num_seq":"A","msg_text":"0E20854382","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":54,"sec":38}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355328,"usec":179233},"freq":136975000,"burst_len_octets":217,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449072,"noise_level":-17.074512,"freq_skew":-1.588120,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"B20981","msg_num":"D02","msg_num_seq":"A","sublabel":"DF","msg_text":"FLS1689TC AIP 742168901030435361351 98.5 80.0 4570.1501689 6139\r\n81OFF A01 9F8048318058420321 8890 1 1 0 0 0 0 1 0 2 0 0 0 0 0 1 0 1 \r\n0 0 1 1 0 1 2 0 12UGTBUMMSU736"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355329,"usec":717727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800604,"noise_level":-17.587021,"freq_skew":-1.468485,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355332,"usec":768138},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711564,"noise_level":-17.966640,"freq_skew":0.724857,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1782,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[141,216,180,83]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355333,"usec":544883},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890754,"noise_level":-18.792545,"freq_skew":0.450122,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355335,"usec":11578},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807225,"noise_level":-19.467777,"freq_skew":0.528572,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":253,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":654,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[39,190,166,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355335,"usec":13709},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645147,"noise_level":-20.641972,"freq_skew":0.478329,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":654,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[184,62,136,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355335,"usec":781030},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846235,"noise_level":-21.412872,"freq_skew":0.668072,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355338,"usec":835105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.920832,"noise_level":-21.015732,"freq_skew":3.329763,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355341,"usec":890608},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.621470,"noise_level":-20.003128,"freq_skew":2.668049,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7474,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":27664,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[205,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355342,"usec":652905},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247485,"noise_level":-19.890898,"freq_skew":2.650808,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7475,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":27664,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[198,97]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":55,"sec":40}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355344,"usec":189269},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.231796,"noise_level":-19.415237,"freq_skew":2.483928,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355346,"usec":480339},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443878,"noise_level":-19.252388,"freq_skew":-1.421057,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"B20981","msg_num":"D03","msg_num_seq":"A","sublabel":"DF","msg_text":"TKOTC AIP 7811690UMMSUUWW010308512008 12.0 8.3 36640.256 57787\r\nU9811TOFFA01 9F804831805842 88.4 88.3 95.3 95.3786768 3229 3206 67.1\r\n 67.16058 61 650.530.180.760.27353 110.040.150.070.06 22 89 0.0 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355348,"usec":20274},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467542,"noise_level":-18.839943,"freq_skew":-1.535019,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"B20981","msg_num":"D03","msg_num_seq":"B","sublabel":"DF","msg_text":"TKOTC AIP 7811690UMMSUUWW010308512008 12.0 8.3 36640.256 57787\r\nU9811TOFFA01 9F804831805842 88.4 88.3 95.3 95.3786768 3229 3206 67.1\r\n 67.16058 61 650.530.180.760.27353 110.040.150.070.06 22 89 0.0 0.\r\n0 0 0 0.00 0.00110LO LO 00011003303158"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355349,"usec":541958},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.106401,"noise_level":-18.497192,"freq_skew":-1.481429,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355349,"usec":542868},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.076177,"noise_level":-19.441999,"freq_skew":2.652537,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7476,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":27664,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[154,98]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":55,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355350,"usec":246363},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.285013,"noise_level":-19.296604,"freq_skew":2.839189,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":652,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[138,204]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":55,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355350,"usec":249156},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736367,"noise_level":-19.232754,"freq_skew":0.344208,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":786,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1797,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[168,68,119,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355351,"usec":15170},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.457778,"noise_level":-19.090790,"freq_skew":2.589607,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":14,"dst_ref":27664,"variable_part_params":[{"name":"checksum","value":[201,28]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355351,"usec":776865},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026198,"noise_level":-18.974236,"freq_skew":2.876594,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7479,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":652,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[240,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355351,"usec":783956},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020093,"noise_level":-18.844002,"freq_skew":0.276463,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355352,"usec":545866},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903432,"noise_level":-18.648523,"freq_skew":2.775595,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":652,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[236,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355353,"usec":304815},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.187426,"noise_level":-18.530380,"freq_skew":2.771349,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7481,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":652,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[148,39]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":55,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355355,"usec":599570},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665180,"noise_level":-18.003944,"freq_skew":-2.509165,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355355,"usec":603511},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.685454,"noise_level":-17.928345,"freq_skew":2.878712,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355362,"usec":485326},"freq":136975000,"burst_len_octets":257,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339261,"noise_level":-16.806698,"freq_skew":-1.443192,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"B20981","msg_num":"D04","msg_num_seq":"A","sublabel":"DF","msg_text":"DELIMITER = #\r\n\r\n*FORMAT\r\nAIRID#A#FPHASE#A#FDATE#A#ENGINE_BLEED_VALVE_1#\r\nI#ENGINE_BLEED_VALVE_2#I#ISOLATION_VALVE_(LEFT)#I#\r\nECS_PACK_VALVE_1#I#ECS_PACK_VALVE_2#I#WING_ANTI_ICE#I#\r\nNACELLE_ANTI_ICE_1#I#NAC"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355364,"usec":778771},"freq":136975000,"burst_len_octets":257,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472909,"noise_level":-16.937801,"freq_skew":-1.583382,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"B20981","msg_num":"D04","msg_num_seq":"B","sublabel":"DF","msg_text":"ELLE_ANTI_ICE_2#I#ALTITUDE#R#\r\nTOTAL_AIR_TEMPERATURE#R#MACH#R#COMPUTED_AIR_SPEED#\r\n#STATIC_AIR_TEMPERATURE#R#ACTUAL_GROSS_WEIGHT#R#\r\nFAN_SPEED_(INDICATED)-1#R#CORE_SPEED-1#R#\r\nEXHAUST_GAS_TEMP_(EGT)-1#R#FAN"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355366,"usec":258968},"freq":136975000,"burst_len_octets":257,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538641,"noise_level":-17.581532,"freq_skew":-1.319296,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"B20981","msg_num":"D04","msg_num_seq":"C","sublabel":"DF","msg_text":"_SPEED_(ACTUAL)-1#R#\r\nFAN_VIB_(FAN_PICKUP)-1#R#CORE_VIB_(REAR_PICKUP)-1#R#\r\nCORE_VIB_(FAN_PICKUP)-1#R#FAN_VIB_(REAR_PICKUP)-1#R#\r\nPHASE_ANGLE_(FRONT)-1#R#PHASE_ANGLE_(REAR)-1#R#\r\nCYCLES_SINCE_INSTALLED-1#I#"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355369,"usec":309035},"freq":136975000,"burst_len_octets":257,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405951,"noise_level":-17.720741,"freq_skew":-1.597520,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"B20981","msg_num":"D04","msg_num_seq":"D","sublabel":"DF","msg_text":"HOURS_SINCE_INSTALLED-1#I#\r\nFAN_SPEED_(INDICATED)-2#R#CORE_SPEED-2#R#\r\nEXHAUST_GAS_TEMP_(EGT)-2#R#FAN_SPEED_(ACTUAL)-2#R#\r\nFAN_VIB_(FAN_PICKUP)-2#R#CORE_VIB_(REAR_PICKUP)-2#R#\r\nCORE_VIB_(FAN_PICKUP)-2#R#FAN"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355370,"usec":841059},"freq":136975000,"burst_len_octets":178,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350472,"noise_level":-17.482502,"freq_skew":-1.421779,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"B20981","msg_num":"D04","msg_num_seq":"E","sublabel":"DF","msg_text":"DELIMITER = #\r\n\r\n*FORMAT\r\nAIRID#A#FPHASE#A#FDATE#A#ENGINE_BLEED_VALVE_1#\r\nI#ENGINE_BLEED_VALVE_2#I#ISOLATION_VALVE_(LEFT)#I#\r\nECS_PACK_VALVE_1#I#ECS_PACK_VALVE_2#I#WING_ANTI_ICE#I#\r\nNACELLE_ANTI_ICE_1#I#NACELLE_ANTI_ICE_2#I#ALTITUDE#R#\r\nTOTAL_AIR_TEMPERATURE#R#MACH#R#COMPUTED_AIR_SPEED#\r\n#STATIC_AIR_TEMPERATURE#R#ACTUAL_GROSS_WEIGHT#R#\r\nFAN_SPEED_(INDICATED)-1#R#CORE_SPEED-1#R#\r\nEXHAUST_GAS_TEMP_(EGT)-1#R#FAN_SPEED_(ACTUAL)-1#R#\r\nFAN_VIB_(FAN_PICKUP)-1#R#CORE_VIB_(REAR_PICKUP)-1#R#\r\nCORE_VIB_(FAN_PICKUP)-1#R#FAN_VIB_(REAR_PICKUP)-1#R#\r\nPHASE_ANGLE_(FRONT)-1#R#PHASE_ANGLE_(REAR)-1#R#\r\nCYCLES_SINCE_INSTALLED-1#I#HOURS_SINCE_INSTALLED-1#I#\r\nFAN_SPEED_(INDICATED)-2#R#CORE_SPEED-2#R#\r\nEXHAUST_GAS_TEMP_(EGT)-2#R#FAN_SPEED_(ACTUAL)-2#R#\r\nFAN_VIB_(FAN_PICKUP)-2#R#CORE_VIB_(REAR_PICKUP)-2#R#\r\nCORE_VIB_(FAN_PICKUP)-2#R#FAN_VIB_(REAR_PICKUP)-2#R#\r\nPHASE_ANGLE_(FRONT)-2#R#PHASE_ANGLE_(REAR)-2#R#\r\nCYCLES_SINCE_INSTALLED-2#I#HOURS_SINCE_INSTALLED-2#I\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355373,"usec":125825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158592,"noise_level":-17.222109,"freq_skew":-1.401694,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355373,"usec":892565},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875944,"noise_level":-18.015530,"freq_skew":0.316567,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355375,"usec":422847},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513716,"noise_level":-18.482906,"freq_skew":0.332638,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":787,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1797,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[253,17,169,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355375,"usec":424263},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661516,"noise_level":-19.457920,"freq_skew":0.334209,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":788,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1797,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[166,92,167,34]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":3,"day":1},"time":{"hour":8,"min":56,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355376,"usec":186899},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.731315,"noise_level":-19.679569,"freq_skew":3.508684,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4879,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7746,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[164,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355376,"usec":192033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950504,"noise_level":-19.587969,"freq_skew":0.210381,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355376,"usec":953553},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544249,"noise_level":-19.448277,"freq_skew":0.481827,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355378,"usec":476354},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474084,"noise_level":-19.042194,"freq_skew":0.331998,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":789,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":3417,"dst_ref":7822,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[163,82,107,108]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355379,"usec":963104},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155773,"noise_level":-18.550722,"freq_skew":0.432897,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355380,"usec":728851},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815310,"noise_level":-18.376060,"freq_skew":-0.249502,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":204,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355381,"usec":490431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.294677,"noise_level":-18.989729,"freq_skew":3.540737,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355382,"usec":250859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635011,"noise_level":-19.171017,"freq_skew":-0.234777,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355386,"usec":844953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394166,"noise_level":-18.917242,"freq_skew":-0.347602,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355391,"usec":439060},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411150,"noise_level":-18.124550,"freq_skew":-1.599412,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"B20981","msg_num":"D05","msg_num_seq":"A","sublabel":"DF","msg_text":"*VALUES\r\nTC AIP#TAKEOFF#01-MAR-2026\r\n08:51:45#1#1#0#0#0#0#0#0# 3664# 12.0#158# 8.3# 57787#\r\n 88.4# 95.3# 786#---.-#0.53#0.07#0.04#0.76#353# 22#08831#00000#\r\n 88.3# 95.3# 768#---.-#0.18#0.06#0.15#0.27# 11# "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355393,"usec":720637},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.591074,"noise_level":-18.235292,"freq_skew":1.366848,"avlc":{"src":{"addr":"502CE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-CSK","mode":"2","label":"_d","blk_id":"8","ack":"T","flight":"BT0482","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355393,"usec":722529},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340941,"noise_level":-18.199919,"freq_skew":-1.412908,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"EW527PA","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"B20981","msg_num":"D05","msg_num_seq":"B","sublabel":"DF","msg_text":"*VALUES\r\nTC AIP#TAKEOFF#01-MAR-2026\r\n08:51:45#1#1#0#0#0#0#0#0# 3664# 12.0#158# 8.3# 57787#\r\n 88.4# 95.3# 786#---.-#0.53#0.07#0.04#0.76#353# 22#08831#00000#\r\n 88.3# 95.3# 768#---.-#0.18#0.06#0.15#0.27# 11# 89#08940#00000\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355395,"usec":960719},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879415,"noise_level":-17.705902,"freq_skew":-1.604575,"avlc":{"src":{"addr":"510115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355399,"usec":786424},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.584630,"noise_level":-17.272060,"freq_skew":2.802444,"avlc":{"src":{"addr":"4CA2D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355404,"usec":372895},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602335,"noise_level":-17.179983,"freq_skew":-0.497979,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[155,197,154,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355404,"usec":375569},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584033,"noise_level":-17.142395,"freq_skew":-0.399794,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1783,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[5,240,242,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355405,"usec":899150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484553,"noise_level":-18.026888,"freq_skew":-0.551041,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355411,"usec":962475},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.250738,"noise_level":-17.914097,"freq_skew":-0.244224,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355411,"usec":963202},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.280713,"noise_level":-17.900444,"freq_skew":-0.479939,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":650,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[143,218,230,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355424,"usec":954198},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877810,"noise_level":-16.617449,"freq_skew":1.839092,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1790,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[120,202,109,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355424,"usec":960441},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536465,"noise_level":-16.669506,"freq_skew":1.758115,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1790,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[215,75,242,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355426,"usec":433785},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782581,"noise_level":-17.491928,"freq_skew":1.848422,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355426,"usec":439255},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794374,"noise_level":-17.427097,"freq_skew":0.491018,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":255,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355432,"usec":551887},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966352,"noise_level":-17.615082,"freq_skew":1.861008,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355432,"usec":551887},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.966352,"noise_level":-17.615082,"freq_skew":1.861008,"avlc":{"src":{"addr":"502D0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":655,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[215,38,35,53]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355432,"usec":557431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803565,"noise_level":-17.606709,"freq_skew":0.359994,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1772355438,"usec":663999},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125553,"noise_level":-17.467558,"freq_skew":0.199062,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}