NIL HEARDRECEPTION LOG

RWM Moscow time signal

tier A · keyed-tone

4995 kHz USB · 2026-10-02 19:05:34Z · 01:16 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of RWM Moscow time signal, 4995 kHz USB, 2026-10-02 19:05:34Z, 01:16: keyed-tone 75% · carrier 25% · tone 1008 Hz · keying 0.65 Hz depth 0.53
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 1.3 MB ⤓ Opus 325 kB { }
What was heard
keyed-tone 75% · carrier 25% · tone 1008 Hz · keying 0.65 Hz depth 0.53 — dominant tone 1008 Hz, keyed at 0.65 Hz (depth 0.53). 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 42 dB — thanks to the operator. Receivers
Provenance
sha256 b4ff7aeb87f2eaec0db3b4f03adf8dbd73c97f5d71b7d51181c6d9137f1b3910
source 01:16 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-02T1905Z-4995-rwm-4996
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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