{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286721,"usec":784647},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.721178,"noise_level":-16.591932,"freq_skew":0.102049,"avlc":{"src":{"addr":"502D46","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":1751286730,"usec":978569},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.055060,"noise_level":-16.458466,"freq_skew":-0.722917,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JHR","mode":"2","label":"_d","blk_id":"0","ack":"D","flight":"TK03CE","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286734,"usec":809631},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.772494,"noise_level":-17.038317,"freq_skew":-0.931110,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JHR","mode":"2","label":"_d","blk_id":"0","ack":"D","flight":"TK03CE","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286734,"usec":812512},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.530699,"noise_level":-18.135679,"freq_skew":0.121235,"avlc":{"src":{"addr":"502D46","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":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":1262,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286734,"usec":815446},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735150,"noise_level":-19.026220,"freq_skew":-0.868784,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JHR","mode":"2","label":"_d","blk_id":"1","ack":"E","flight":"TK03CE","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286738,"usec":631460},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.389237,"noise_level":-18.356041,"freq_skew":0.278973,"avlc":{"src":{"addr":"502D46","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":5,"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":1263,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":2404,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[81,125,2,28]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286740,"usec":157731},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.821833,"noise_level":-19.290575,"freq_skew":0.052697,"avlc":{"src":{"addr":"502D46","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":1751286750,"usec":813684},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844602,"noise_level":-17.468130,"freq_skew":2.423399,"avlc":{"src":{"addr":"507C70","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"UK32105","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"HY0212","msg_num":"C22","msg_num_seq":"A","sublabel":"CF","msg_text":"WRN/PNRC12860AA07/WN25063012320034000006NAV ADS-B RPTG 2 FAULT\r"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286753,"usec":875530},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434822,"noise_level":-17.212278,"freq_skew":2.560391,"avlc":{"src":{"addr":"507C70","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"UK32105","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"HY0212","msg_num":"C22","msg_num_seq":"A","sublabel":"CF","msg_text":"WRN/PNRC12860AA07/WN25063012320034000006NAV ADS-B RPTG 2 FAULT\r"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286755,"usec":386812},"freq":136975000,"burst_len_octets":132,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.988911,"noise_level":-17.019291,"freq_skew":2.678792,"avlc":{"src":{"addr":"507C70","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"UK32105","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"HY0212","msg_num":"C23","msg_num_seq":"A","sublabel":"CF","msg_text":"FLR/PNRC12860AA07/FR25063012310034363106MMR1+2(40RT1+2)/ATC1(1SH1)\r/IDATC 1\r,ATC 2\r "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286755,"usec":391862},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.102792,"noise_level":-16.976257,"freq_skew":0.292346,"avlc":{"src":{"addr":"502D46","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":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286755,"usec":402311},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.481296,"noise_level":-17.131872,"freq_skew":0.041767,"avlc":{"src":{"addr":"502D46","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":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":4759,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[82,56,31,94]}]},{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":4759,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[17,97,141,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286756,"usec":930980},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.835331,"noise_level":-17.989252,"freq_skew":0.276991,"avlc":{"src":{"addr":"502D46","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":1751286757,"usec":681519},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.132986,"noise_level":-19.070007,"freq_skew":2.688879,"avlc":{"src":{"addr":"507C70","type":"Aircraft","status":"Airborne"},"dst":{"addr":"292717","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":1751286772,"usec":169155},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.038815,"noise_level":-16.149834,"freq_skew":0.943992,"avlc":{"src":{"addr":"48AF12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","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":1,"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":165,"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":1751286773,"usec":696792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.685080,"noise_level":-16.617641,"freq_skew":0.943484,"avlc":{"src":{"addr":"48AF12","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":1751286776,"usec":738466},"freq":136975000,"burst_len_octets":144,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.717871,"noise_level":-16.335127,"freq_skew":1.825388,"avlc":{"src":{"addr":"781FF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-32FQ","mode":"2","label":"11","blk_id":"7","ack":"!","flight":"MU0218","msg_num":"M43","msg_num_seq":"A","msg_text":"POS\r\nCAS 278,LAT N057.65,LON E025.43,ALT 36998,FOB 130542,UTC 123250,PD 36.04,WD -25,WS 63,TAT -43"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286776,"usec":741749},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.881550,"noise_level":-16.318056,"freq_skew":1.567087,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3826,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":2407,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[228,212]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286778,"usec":235744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187844,"noise_level":-16.082861,"freq_skew":1.843261,"avlc":{"src":{"addr":"781FF7","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":1751286779,"usec":745209},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509597,"noise_level":-16.264252,"freq_skew":0.914087,"avlc":{"src":{"addr":"503EAA","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B39F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286786,"usec":636257},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618503,"noise_level":-16.383860,"freq_skew":0.069610,"avlc":{"src":{"addr":"502D10","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10933A","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":1751286788,"usec":168816},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304386,"noise_level":-16.898195,"freq_skew":-0.789605,"avlc":{"src":{"addr":"4BA912","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":1751286788,"usec":170221},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.910941,"noise_level":-16.886049,"freq_skew":0.335374,"avlc":{"src":{"addr":"502D10","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":"24026420","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":[71,0,39,65,66,84,73,0,80,45,16,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286788,"usec":170221},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.910941,"noise_level":-16.886049,"freq_skew":0.335374,"avlc":{"src":{"addr":"502D10","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-AAT","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"BT0344","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0"},"t":{"sec":1751286790,"usec":457835},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.270467,"noise_level":-17.513521,"freq_skew":0.123000,"avlc":{"src":{"addr":"502D10","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":1751286798,"usec":813751},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.140365,"noise_level":-16.107122,"freq_skew":2.600232,"avlc":{"src":{"addr":"502D95","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"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":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":315,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}