NIL HEARDRECEPTION LOG

M01 Russian Navy morse, evening slot

tier B · mixed

4902.2 kHz USB · 2026-09-23 19:58:39Z · 05:00 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of M01 Russian Navy morse, evening slot, 4902.2 kHz USB, 2026-09-23 19:58:39Z, 05:00: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.3 MB ⤓ Opus 1275 kB { }
What was heard
mixed 100%. 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 41 dB — thanks to the operator. Receivers
Provenance
sha256 8569a209a0fc4e5b604377ee222a0bbd98e5ff14248bfef021bfbcaef7ae4e82
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T1958Z-4902.2-m01-4903
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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