NIL HEARDRECEPTION LOG

RWM Moscow time signal

tier A · keyed-tone

4995 kHz USB · 2026-09-23 17:04:34Z · 02:10 · received at Heppen, Limburg, Belgium

Spectrogram of RWM Moscow time signal, 4995 kHz USB, 2026-09-23 17:04:34Z, 02:10: keyed-tone 100% · tone 999 Hz · keying 0.25 Hz depth 0.82
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.1 MB ⤓ Opus 515 kB { }
What was heard
keyed-tone 100% · tone 999 Hz · keying 0.25 Hz depth 0.82 — dominant tone 999 Hz, keyed at 0.25 Hz (depth 0.82). 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 37 dB — thanks to the operator. Receivers
Provenance
sha256 0aab0e77102d2c4a18665f3663cc5dd262803e07f7ea2ca4b2158cacf0534ec1
source 02:10 WAV, 12000 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T1704Z-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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