NIL HEARDRECEPTION LOG

Novosibirsk VOLMET (Russian) day

tier A · voice

8888 kHz USB · 2026-09-23 20:09:26Z · 05:00 · received at Brettnach F57320

Spectrogram of Novosibirsk VOLMET (Russian) day, 8888 kHz USB, 2026-09-23 20:09:26Z, 05:00: voice 33% · keyed-tone 33% · mixed 20% · carrier 13% · tone 999 Hz · keying 0.38 Hz depth 0.91
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.1 MB ⤓ Opus 1398 kB { }
What was heard
voice 33% · keyed-tone 33% · mixed 20% · carrier 13% · tone 999 Hz · keying 0.38 Hz depth 0.91 — dominant tone 999 Hz, keyed at 0.38 Hz (depth 0.91). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Brettnach F57320 (JN39GG) · vertical · reported SNR 43 dB — thanks to the operator. Receivers
Provenance
sha256 2ae3e6d8fb3bf7c30760aed39af7dd65a4f1cc4fc826d0d0a64c45d30984c0c6
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T2009Z-8888-volmet-8888-novosibirsk
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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