NIL HEARDRECEPTION LOG

RWM Moscow time signal

tier A · keyed-tone

4995 kHz USB · 2026-09-22 18:07:40Z · 02:15 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of RWM Moscow time signal, 4995 kHz USB, 2026-09-22 18:07:40Z, 02:15: keyed-tone 43% · mixed 29% · morse 14% · carrier 14% · tone 1008 Hz · keying 0.67 Hz depth 0.98
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.3 MB ⤓ Opus 599 kB { }
What was heard
keyed-tone 43% · mixed 29% · morse 14% · carrier 14% · tone 1008 Hz · keying 0.67 Hz depth 0.98 — dominant tone 1008 Hz, keyed at 0.67 Hz (depth 0.98). 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 38 dB — thanks to the operator. Receivers
Provenance
sha256 84b689a80890db86eb29c3d1fe82e24bb5fe46d51b0b90b8f9fd62a3a3ec1f6f
source 02:15 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-22T1807Z-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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