NIL HEARDRECEPTION LOG

RWM Moscow time signal

tier A · carrier

4995 kHz USB · 2026-10-03 17:04:44Z · 02:03 · received at Heppen, Limburg, Belgium

Spectrogram of RWM Moscow time signal, 4995 kHz USB, 2026-10-03 17:04:44Z, 02:03: carrier 57% · keyed-tone 43% · tone 999 Hz · keying 0.40 Hz depth 0.54
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.0 MB ⤓ Opus 502 kB { }
What was heard
carrier 57% · keyed-tone 43% · tone 999 Hz · keying 0.40 Hz depth 0.54 — dominant tone 999 Hz, keyed at 0.4 Hz (depth 0.54). 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 38 dB — thanks to the operator. Receivers
Provenance
sha256 645b221764c75b1de138eadd282e4b589f1e16c2fbff0f162ebea88f9a7ea298
source 02:03 WAV, 12000 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-03T1704Z-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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