NIL HEARDRECEPTION LOG

RWM Moscow time signal

tier A · keyed-tone

4995 kHz USB · 2026-09-19 18:07:13Z · 05:00 · received at Heppen, Limburg, Belgium

Spectrogram of RWM Moscow time signal, 4995 kHz USB, 2026-09-19 18:07:13Z, 05:00: keyed-tone 53% · carrier 33% · mixed 13% · tone 999 Hz · keying 1.00 Hz depth 0.99
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.5 MB ⤓ Opus 1255 kB { }
What was heard
keyed-tone 53% · carrier 33% · mixed 13% · tone 999 Hz · keying 1.00 Hz depth 0.99 — dominant tone 999 Hz, keyed at 1.0 Hz (depth 0.99). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Heppen, Limburg, Belgium (JO21oc) · Longwire 54m top 70m above sealevel · reported SNR 39 dB — thanks to the operator. Receivers
Provenance
sha256 b15edf20dea8f1cd87e035d493a584707907754f22ba55def17e45b6b507d0d8
source 05:00 WAV, 12000 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-19T1807Z-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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