{"analysis":{"blocks":[[0.0,"mixed",1602.4],[20.0,"mixed",1602.4],[40.0,"mixed",1602.4],[60.0,"mixed",1602.4],[80.0,"mixed",1602.4],[100.0,"mixed",1602.4],[120.0,"mixed",1602.4],[140.0,"mixed",1602.4],[160.0,"mixed",1602.4],[180.0,"mixed",1602.4],[200.0,"keyed-tone",1602.4],[220.0,"mixed",2484.2],[240.0,"mixed",2484.2],[260.0,"mixed",2484.2],[280.0,"mixed",1590.7],[300.0,"mixed",1608.3],[320.0,"mixed",1608.3],[340.0,"mixed",1593.6],[360.0,"mixed",1590.7],[380.0,"mixed",1608.3],[400.0,"mixed",1590.7],[420.0,"mixed",2484.2],[440.0,"mixed",1576.0],[460.0,"mixed",1417.9],[480.0,"mixed",1417.9],[500.0,"mixed",1417.9],[520.0,"mixed",1417.9],[540.0,"mixed",1417.9],[560.0,"mixed",1587.8],[580.0,"data",1602.4]],"content":"mixed","dur_s":600.28,"keying_depth":0.95,"keying_hz":0.2,"mix":{"data":0.033,"keyed-tone":0.033,"mixed":0.933},"peak":0.4574,"rms":0.16288,"samplerate":11999,"summary":"mixed 93% · keyed-tone 3% · data 3% · tone 1602 Hz · keying 0.20 Hz depth 0.95","tone_hz":1602.4},"archived":false,"archived_why":null,"band":"MF","dur_s":600.28,"excerpt_s":null,"freq_khz":516.5,"heard_in":[],"id":"2026-09-20T2340Z-516.5-navtex-518","licence":"CC BY 4.0","media":{"flac":{"bytes":11251963,"url":"/media/04d938ae56b49ca47348d06a52007b0d56fdf33d0fbcbcd752bc15265bcb959e.flac"},"m4a":{"bytes":3638678,"url":"/media/04d938ae56b49ca47348d06a52007b0d56fdf33d0fbcbcd752bc15265bcb959e.m4a"},"opus":{"bytes":2545687,"url":"/media/04d938ae56b49ca47348d06a52007b0d56fdf33d0fbcbcd752bc15265bcb959e.opus"}},"mode":"USB","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[92,97,98,99,99,99,99,99,99,100,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,98,99,99,99,99,99,99,99,99,99,99,98,98,98,98,98,98,98,99,98,98,98,98,98,98,98,97,98,98,98,98,98,98,98,98,98,98,98,98,98,97,97,97,96,78,83,85,85,86,86,85,85,85,85,86,86,85,85,86,86,85,86,86,86,86,86,86,86,86,85,85,85,85,85,86,86,86,86,85,85,85,86,86,86,86,86,85,85,86,86,86,86,86,86,86,86,84,82,85,85,86,85,86,86,85,86,85,85,85,86,86,85,85,86,86,86,86,85,86,86,86,86,86,86,86,85,86,84,86,86,86,85,86,86,85,85,86,85,86,85,86,85,86,85,86,84,85,85,85,84,85,86,86,85,86,86,86,85,86,86,86,85,86,85,85,86,86,86,86,85,86,86,86,86,86,85,84,86,86,86,85,86,86,85,86,84,85,85,86,86,86,86,85,85,86,85,86,85,85,86,85,85,86,86,85,85,86,86,86,86,85,85,86,86,86,84,84,85,85,86,85,86,85,85,85,85,86,85,85,86,85,86,86,86,85,85,85,85,85,85,85,85,85,86,86,85,86,86,86,86,86,85,86,86,85,85,85,86,86,86,85,86,85,85,86,85,86,86,86,86,86,86,86,86,86,86,85,85,85,85,85,86,85,85,85,86,85,86,86,86,85,86,85,86,86,86,86,86,85,85,85,85,85,85,84,86,86,86,84,86,85,85,86,86,85,85,85,86,85,86,85,86,86,85,86,85,86,86,85,85,85,85,86,86,85,86,85,85,86,86,86,86,86,86,86,86,86,86,86,86,86,86,85,85,86,85,85,85,86,85,85,85,86,85,84,85,86,86,86,85,85,85,86,85,85,85,85,85,85,84,85,85,85,85,86,86,86,86,86,86,86,85,85,85,86,85,86,86,85,85,86,85,85,86,86,86,86,90,91,91,91,91,91,90,90,91,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90],"publish":"full","receiver":{"antenna":"vertical","grid":"JN39GG","loc":"Brettnach F57320","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-09-20T2150Z-488.5-navtex-490","2026-09-20T2140Z-516.5-navtex-518","2026-09-21T0148Z-516.5-navtex-518","2026-09-20T2334Z-4995-rwm-4996","2026-09-20T2351Z-5334.1-wxfax-rbw-5336","2026-09-20T2323Z-4479.1-wxfax-svj4-4481"],"rig_item":"2026-09-20T2340Z-516.5-navtex-518","sha256":"04d938ae56b49ca47348d06a52007b0d56fdf33d0fbcbcd752bc15265bcb959e","snr_db":42,"source_dur_s":600.28,"spectrogram":"/spectrogram/04d938ae56b49ca47348d06a52007b0d56fdf33d0fbcbcd752bc15265bcb959e.png","station":{"kind":"navigation","name":"NAVTEX","slug":"navtex"},"thumb":"/spectrogram/04d938ae56b49ca47348d06a52007b0d56fdf33d0fbcbcd752bc15265bcb959e-thumb.png","tier":"A","url":"/capture/2026-09-20T2340Z-516.5-navtex-518/","utc":"2026-09-20T23:40:23Z"}