NIL HEARDRECEPTION LOG

Novosibirsk VOLMET (Russian) day

tier A · mixed

8888 kHz USB · 2026-09-21 00:38:27Z · 05:00 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of Novosibirsk VOLMET (Russian) day, 8888 kHz USB, 2026-09-21 00:38:27Z, 05:00: mixed 53% · voice 47% · keying 1.60 Hz depth 0.72
spectrogram 0–6.0 kHz · analysis blocks: voice mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.1 MB ⤓ Opus 1278 kB { }
What was heard
mixed 53% · voice 47% · keying 1.60 Hz depth 0.72, keyed at 1.6 Hz (depth 0.72). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Hamburg, Drage, 🇩🇪 Germany 🇩🇪 (JO53dk) · VLF broadband vertical V1.2 08/26 · reported SNR 40 dB — thanks to the operator. Receivers
Provenance
sha256 6df8ef46f2c934b152d0ed35f4b814f069389387278266efcbcdb162318b1e9b
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0038Z-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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