NIL HEARDRECEPTION LOG

UVB-76 "The Buzzer"

tier B · mixed

4625 kHz USB · 2026-09-21 01:32:01Z · 10:00 · received at Montmorillon 86500 FRANCE

Spectrogram of UVB-76 "The Buzzer", 4625 kHz USB, 2026-09-21 01:32:01Z, 10:00: mixed 93% · keyed-tone 7% · tone 568 Hz · keying 0.30 Hz depth 0.96
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.9 MB ⤓ Opus 2631 kB { }
What was heard
mixed 93% · keyed-tone 7% · tone 568 Hz · keying 0.30 Hz depth 0.96 — dominant tone 568 Hz, keyed at 0.3 Hz (depth 0.96). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Montmorillon 86500 FRANCE (JN05ot) · Antenna Shared Apex SAL 30 array solution · reported SNR 41 dB — thanks to the operator. Receivers
Provenance
sha256 9660e5642e63886ad7c380258e673fb8e9de05906f90b07f578a99cf15c76812
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0132Z-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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