NIL HEARDRECEPTION LOG

UVB-76 "The Buzzer"

tier B · keyed-tone

4625 kHz USB · 2026-09-22 21:11:27Z · 10:00 · received at Assen | Netherlands

Spectrogram of UVB-76 "The Buzzer", 4625 kHz USB, 2026-09-22 21:11:27Z, 10:00: keyed-tone 100% · tone 533 Hz · keying 0.30 Hz depth 0.98
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.1 MB ⤓ Opus 2593 kB { }
What was heard
keyed-tone 100% · tone 533 Hz · keying 0.30 Hz depth 0.98 — dominant tone 533 Hz, keyed at 0.3 Hz (depth 0.98). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Assen | Netherlands (JO32fx) · Active Loop antenna PAHGOR (serial nr: 001) built by ► PA0EBC ◀ 👍 · reported SNR 45 dB — thanks to the operator. Receivers
Provenance
sha256 0315eed6daa95c917a4fad2bb2fd8cf4f0f5d974c292da62cbe51909a10bbaf5
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-22T2111Z-4625-uvb76-4625
Heard in the record
— linked once the record exists.
Licence
CC BY 4.0 — credit NIL HEARD / Reception Log. The recording is ours; the transmission is somebody else's. Descriptions describe sound, never content — why.
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