{"analysis":{"blocks":[[0.0,"keyed-tone",530.3],[20.0,"keyed-tone",530.3],[40.0,"keyed-tone",530.3],[60.0,"keyed-tone",530.3],[80.0,"keyed-tone",530.3],[100.0,"keyed-tone",530.3],[120.0,"keyed-tone",530.3],[140.0,"keyed-tone",530.3],[160.0,"keyed-tone",530.3],[180.0,"keyed-tone",530.3],[200.0,"keyed-tone",530.3],[220.0,"keyed-tone",530.3],[240.0,"keyed-tone",210.9],[260.0,"keyed-tone",530.3],[280.0,"keyed-tone",530.3],[300.0,"keyed-tone",210.9],[320.0,"keyed-tone",210.9],[340.0,"keyed-tone",210.9],[360.0,"keyed-tone",530.3],[380.0,"keyed-tone",424.8],[400.0,"keyed-tone",530.3],[420.0,"keyed-tone",530.3],[440.0,"keyed-tone",530.3],[460.0,"keyed-tone",210.9],[480.0,"keyed-tone",424.8],[500.0,"keyed-tone",210.9],[520.0,"keyed-tone",530.3],[540.0,"keyed-tone",530.3],[560.0,"keyed-tone",530.3],[580.0,"keyed-tone",530.3]],"content":"keyed-tone","dur_s":600.04,"keying_depth":0.97,"keying_hz":0.3,"mix":{"keyed-tone":1.0},"peak":0.5751,"rms":0.042727,"samplerate":12000,"summary":"keyed-tone 100% · tone 530 Hz · keying 0.30 Hz depth 0.97","tone_hz":530.3},"archived":false,"archived_why":null,"band":"4 MHz","dur_s":600.04,"excerpt_s":null,"freq_khz":4625.0,"heard_in":[],"id":"2026-09-21T1832Z-4625-uvb76-4625","licence":"CC BY 4.0","media":{"flac":{"bytes":9995743,"url":"/media/b61d95d83429c6bb4da65c85cb6c3be1703eff4b5a77245cffcbe55d8b2a61f3.flac"},"m4a":{"bytes":3732783,"url":"/media/b61d95d83429c6bb4da65c85cb6c3be1703eff4b5a77245cffcbe55d8b2a61f3.m4a"},"opus":{"bytes":2673693,"url":"/media/b61d95d83429c6bb4da65c85cb6c3be1703eff4b5a77245cffcbe55d8b2a61f3.opus"}},"mode":"USB","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[78,88,91,87,86,85,92,84,85,93,87,83,86,92,79,84,89,86,84,94,89,84,90,91,81,83,91,89,83,94,95,83,88,95,86,84,91,89,86,94,96,84,87,94,89,87,92,90,81,88,92,83,84,94,92,82,89,89,83,88,92,83,82,90,87,83,86,90,81,80,93,86,79,91,91,79,86,90,82,82,92,87,79,85,90,82,83,94,85,81,92,91,84,90,94,85,82,94,91,86,92,93,85,90,95,88,86,92,92,83,86,93,84,86,92,87,83,91,91,80,86,91,82,79,91,86,80,89,92,83,88,91,86,84,94,94,87,89,92,83,81,94,89,88,95,94,86,93,96,89,88,98,94,88,92,92,82,86,93,90,80,91,93,82,86,93,81,79,94,88,81,87,94,81,82,92,86,80,93,91,80,89,93,81,84,93,91,84,90,94,83,88,91,87,88,95,90,80,86,90,82,86,94,88,81,92,91,80,89,95,82,83,94,91,85,90,92,84,89,94,91,88,93,92,88,92,92,87,86,92,90,89,92,90,84,86,92,87,85,95,91,87,90,92,82,89,96,91,87,92,89,84,87,95,88,83,92,88,84,94,94,87,88,91,86,85,92,91,88,93,94,91,89,92,87,87,90,88,84,88,94,88,87,90,89,87,93,89,82,89,99,88,82,91,91,80,87,92,78,79,93,88,79,89,89,81,85,92,83,80,90,87,81,90,93,80,85,91,85,84,93,89,86,89,90,79,81,89,87,85,93,96,85,90,92,83,81,89,92,86,89,95,83,87,94,91,82,91,94,84,92,97,87,83,93,89,82,89,95,88,88,92,86,79,94,95,83,88,95,83,85,92,88,82,92,95,83,89,95,91,84,91,90,85,90,97,80,83,96,86,83,90,88,85,90,95,88,84,98,96,83,89,90,82,88,95,86,86,93,94,82,89,95,83,83,97,92,82,91,96,82,85,97,90,83,96,94,83,90,98,82,84,90,89,84,94,93,82,87,92,85,84,96,89,84,92,97,86,91,94,89,84,94,93,86,92,93,83,88,98,91,81,94,95,84,87,97,91,86,94,93,87,91,91,81,83,95,88,86,94,96,87,93,94,87,82,93,91,89,93,92,86,92,99,90,87,94,93,88,93,97,88,86,96,92,86,92,94,81,91,95,84,82,98,93,87,91,96,81,85,97,91,83,93,92,81,89,91,85,82,95,90,81,91,91,85,86,93,88,86,93,95,88,92,96,89,88,94,91,89,93,94,85,89,94,86,83,97,91,89,92,95,84,85,95,91,83,96,96,89,93,96,87,87,98,97,87,94,95,84,89,96,85,84,97,92,85,89,93,85,86,95,93,86,95,97,88,94,100,89],"publish":"full","receiver":{"antenna":"Longwire 54m top 70m above sealevel","grid":"JO21oc","loc":"Heppen, Limburg, Belgium","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-09-22T0019Z-4625-uvb76-4625","2026-09-22T0531Z-4625-uvb76-4625","2026-09-21T0132Z-4625-uvb76-4625","2026-09-21T1843Z-7038.3-mx-7039","2026-09-21T1847Z-516.5-navtex-518","2026-09-21T1858Z-4879.2-m23-4880"],"rig_item":"2026-09-21T1832Z-4625-uvb76-4625","sha256":"b61d95d83429c6bb4da65c85cb6c3be1703eff4b5a77245cffcbe55d8b2a61f3","snr_db":40,"source_dur_s":600.04,"spectrogram":"/spectrogram/b61d95d83429c6bb4da65c85cb6c3be1703eff4b5a77245cffcbe55d8b2a61f3.png","station":{"kind":"marker","name":"UVB-76 \"The Buzzer\"","slug":"uvb76"},"thumb":"/spectrogram/b61d95d83429c6bb4da65c85cb6c3be1703eff4b5a77245cffcbe55d8b2a61f3-thumb.png","tier":"B","url":"/capture/2026-09-21T1832Z-4625-uvb76-4625/","utc":"2026-09-21T18:32:38Z"}