{"analysis":{"blocks":[[0.0,"data",1596.5],[20.0,"data",1596.5],[40.0,"mixed",2618.9],[60.0,"mixed",1719.6],[80.0,"mixed",1719.6],[100.0,"mixed",902.3],[120.0,"mixed",2317.2],[140.0,"mixed",2320.1],[160.0,"mixed",2618.9],[180.0,"mixed",1719.6],[200.0,"mixed",1719.6],[220.0,"mixed",1719.6],[240.0,"mixed",1719.6],[260.0,"mixed",2320.1],[280.0,"mixed",2317.2],[300.0,"mixed",2618.9],[320.0,"mixed",2618.9],[340.0,"mixed",2618.9],[360.0,"mixed",2618.9],[380.0,"mixed",2618.9],[400.0,"mixed",2618.9],[420.0,"mixed",2618.9],[440.0,"mixed",2618.9],[460.0,"mixed",2618.9],[480.0,"mixed",2618.9],[500.0,"mixed",2618.9],[520.0,"mixed",2618.9],[540.0,"mixed",2618.9],[560.0,"mixed",2618.9],[580.0,"mixed",1719.6]],"content":"mixed","dur_s":600.28,"keying_depth":null,"keying_hz":null,"mix":{"data":0.067,"mixed":0.933},"peak":0.4345,"rms":0.064513,"samplerate":11999,"summary":"mixed 93% · data 7%","tone_hz":null},"archived":false,"archived_why":null,"band":"MF","dur_s":600.28,"excerpt_s":null,"freq_khz":516.5,"heard_in":[],"id":"2026-10-02T0718Z-516.5-navtex-518","licence":"CC BY 4.0","media":{"flac":{"bytes":10525455,"url":"/media/15b901d095bfbf1ae1b7b0bed388f438797220c1cc302b2a8a53cb4161482eae.flac"},"m4a":{"bytes":3639722,"url":"/media/15b901d095bfbf1ae1b7b0bed388f438797220c1cc302b2a8a53cb4161482eae.m4a"},"opus":{"bytes":2530728,"url":"/media/15b901d095bfbf1ae1b7b0bed388f438797220c1cc302b2a8a53cb4161482eae.opus"}},"mode":"USB","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[85,90,96,98,99,99,99,99,100,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,98,98,98,98,98,98,98,98,98,99,91,83,83,83,83,83,83,83,83,83,84,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,84,84,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,84,84,83,83,84,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,82,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,82,83,83,83,83,83,83,83,83,83,83,83,83,84,83,83,83,83,83,83,84,83,83,83,83,83,84,83,83,83,83,84,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,84,83,84,83,83,83,83,84,83,84,83,83,83,84,84,83,83,83,83,83,83,83,83,83,83,83,84,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,82,83,83,83,83,83,83,83,83,83,83,82,83,83,83,83,83,83,83,82,82,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,84,83,83,83,83,83,83,83,83,83,83,83,83,83,82,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,84,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,82,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,82,82,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,82,83,82,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,82,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,83,84,83,83,83,83,83,83,83,82,83,83,83,83,83,83],"publish":"full","receiver":{"antenna":"(same as Wessex KiWi V1)","grid":"IO80qr","loc":"Wessex - KiwiSDR - G8JNJ - South West UK","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-10-02T0928Z-516.5-navtex-518","2026-10-02T0459Z-516.5-navtex-518","2026-10-02T0948Z-488.5-navtex-490","2026-10-02T0715Z-16331.2-mx-16332","2026-10-02T0709Z-7878.1-wxfax-7880","2026-10-02T0729Z-5367-squeaky-5367"],"rig_item":"2026-10-02T0718Z-516.5-navtex-518","sha256":"15b901d095bfbf1ae1b7b0bed388f438797220c1cc302b2a8a53cb4161482eae","snr_db":39,"source_dur_s":600.28,"spectrogram":"/spectrogram/15b901d095bfbf1ae1b7b0bed388f438797220c1cc302b2a8a53cb4161482eae.png","station":{"kind":"navigation","name":"NAVTEX","slug":"navtex"},"thumb":"/spectrogram/15b901d095bfbf1ae1b7b0bed388f438797220c1cc302b2a8a53cb4161482eae-thumb.png","tier":"A","url":"/capture/2026-10-02T0718Z-516.5-navtex-518/","utc":"2026-10-02T07:18:53Z"}