{"analysis":{"blocks":[[0.0,"carrier",998.9],[20.0,"keyed-tone",998.9],[40.0,"keyed-tone",998.9],[60.0,"keyed-tone",998.9],[80.0,"keyed-tone",998.9],[100.0,"keyed-tone",998.9],[120.0,"keyed-tone",998.9],[140.0,"keyed-tone",998.9],[160.0,"keyed-tone",998.9],[180.0,"keyed-tone",998.9],[200.0,"keyed-tone",998.9],[220.0,"keyed-tone",998.9],[240.0,"carrier",998.9],[260.0,"keyed-tone",998.9],[280.0,"keyed-tone",998.9],[300.0,"keyed-tone",998.9],[320.0,"keyed-tone",998.9],[340.0,"keyed-tone",998.9],[360.0,"keyed-tone",998.9],[380.0,"keyed-tone",998.9],[400.0,"keyed-tone",998.9],[420.0,"keyed-tone",998.9],[440.0,"keyed-tone",998.9],[460.0,"keyed-tone",998.9],[480.0,"keyed-tone",998.9],[500.0,"keyed-tone",998.9],[520.0,"keyed-tone",998.9],[540.0,"carrier",998.9],[560.0,"keyed-tone",998.9],[580.0,"keyed-tone",998.9]],"content":"keyed-tone","dur_s":600.28,"keying_depth":0.86,"keying_hz":1.0,"mix":{"carrier":0.1,"keyed-tone":0.9},"peak":0.4543,"rms":0.211626,"samplerate":11999,"summary":"keyed-tone 90% · carrier 10% · tone 999 Hz · keying 1.00 Hz depth 0.86","tone_hz":998.9},"archived":false,"archived_why":null,"band":"LF","dur_s":600.28,"excerpt_s":null,"freq_khz":76.5,"heard_in":[],"id":"2026-09-19T1910Z-76.5-dcf77-77.5","licence":"CC BY 4.0","media":{"flac":{"bytes":10649715,"url":"/media/0b7166a7c1e895629ef687665da1591dd541763eff6d3b2ee93d442a5bd60cbf.flac"},"m4a":{"bytes":3673480,"url":"/media/0b7166a7c1e895629ef687665da1591dd541763eff6d3b2ee93d442a5bd60cbf.m4a"},"opus":{"bytes":2712245,"url":"/media/0b7166a7c1e895629ef687665da1591dd541763eff6d3b2ee93d442a5bd60cbf.opus"}},"mode":"USB","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[86,94,96,98,98,98,98,97,98,98,98,98,97,97,98,98,98,98,98,98,98,97,98,98,97,98,98,97,98,97,98,97,97,98,98,98,97,98,98,98,98,97,98,97,98,97,96,96,98,97,96,97,97,98,98,97,98,98,97,97,98,98,97,97,97,98,98,98,98,98,98,98,97,97,98,97,97,98,98,98,98,97,98,98,96,98,98,97,97,97,98,98,97,98,98,97,97,98,98,98,98,97,98,97,98,98,97,97,98,98,97,97,97,98,98,97,98,98,97,97,98,98,97,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,97,98,98,97,98,98,97,98,97,98,98,98,97,98,98,98,98,97,98,97,97,98,97,97,98,98,97,97,97,98,98,97,98,98,97,97,98,98,97,98,98,98,99,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,97,98,98,97,97,98,97,98,97,99,98,97,98,99,99,97,98,98,99,98,99,98,98,98,99,99,98,98,98,99,99,98,99,99,98,98,99,99,97,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,98,99,99,99,99,99,97,99,99,98,99,98,98,99,98,99,99,98,98,99,99,99,99,98,99,98,99,99,98,98,99,99,98,98,98,99,99,98,99,99,98,98,99,99,98,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,98,99,99,98,98,98,98,99,98,99,99,99,98,99,99,99,99,98,99,98,99,99,98,98,99,99,98,98,98,99,99,98,99,99,98,98,99,99,98,99,99,99,100,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,98,98,99,99,98,99,99,99,98,98,99,99,99,98,99,98,99,99,98,99,98,99,99,98,98,99,99,98,98,98,99,99,98,99,99,98,98,99,99,98,99,99,99,99,99,98,99,99,99,99,99,99,99,99,99,99,99,98,99,99,99,98,99,99,98,97,99,99,98,98,99,99,98,98,99,99,99,99,98,99,98,99,99,98,98,99,99,98,98,98,98,98,98,99,99,98,98,99,99,98,99,99,99,99,99,99,98,99,98,99,99,99,99,99,99,98,99,99,99,99,99,98,99,99,98,99,99,99,99,99,98,99,97,98,99,99,99,99,98,98,98,99,99,98,98,99,99,98,98,97,98,99,98,99,99,98,98,99,99,98,99,99,98,99,99,98,98,99,99,98,98,98,99,99,99,98,99,99,99,99,99,98,99,98,97,98,98,98,98,98,98,98,99,98,99,98,98,98,98,99,97,99,98,97,97,98,98,97,97,97,98,98,97,98,98,97,97],"publish":"full","receiver":{"antenna":"Active Loop antenna PAHGOR (serial nr: 001) built by ► PA0EBC ◀ 👍","grid":"JO32fx","loc":"Assen | Netherlands","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-09-19T2126Z-76.5-dcf77-77.5","2026-09-19T2352Z-76.5-dcf77-77.5","2026-09-20T0302Z-76.5-dcf77-77.5","2026-09-19T1900Z-7038.3-mx-7039","2026-09-19T1921Z-6250-xsl-6250","2026-09-19T1849Z-3363.5-squeaky-3363"],"rig_item":"2026-09-19T1910Z-76.5-dcf77-77.5","sha256":"0b7166a7c1e895629ef687665da1591dd541763eff6d3b2ee93d442a5bd60cbf","snr_db":41,"source_dur_s":600.28,"spectrogram":"/spectrogram/0b7166a7c1e895629ef687665da1591dd541763eff6d3b2ee93d442a5bd60cbf.png","station":{"kind":"time","name":"DCF77 LF time signal","slug":"dcf77"},"thumb":"/spectrogram/0b7166a7c1e895629ef687665da1591dd541763eff6d3b2ee93d442a5bd60cbf-thumb.png","tier":"A","url":"/capture/2026-09-19T1910Z-76.5-dcf77-77.5/","utc":"2026-09-19T19:10:49Z"}