NIL HEARDRECEPTION LOG

RWM Moscow time signal

tier A · carrier

4995 kHz USB · 2026-09-21 02:04:40Z · 05:00 · received at Assen | Netherlands

Spectrogram of RWM Moscow time signal, 4995 kHz USB, 2026-09-21 02:04:40Z, 05:00: carrier 40% · keyed-tone 40% · mixed 13% · morse 7% · tone 999 Hz · keying 0.25 Hz depth 0.59
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.9 MB ⤓ Opus 1301 kB { }
What was heard
carrier 40% · keyed-tone 40% · mixed 13% · morse 7% · tone 999 Hz · keying 0.25 Hz depth 0.59 — dominant tone 999 Hz, keyed at 0.25 Hz (depth 0.59). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Assen | Netherlands (JO32fx) · Active Loop antenna PAHGOR (serial nr: 001) built by ► PA0EBC ◀ 👍 · reported SNR 42 dB — thanks to the operator. Receivers
Provenance
sha256 09f7f3e7717b2c3b37c733d2a3db950298b191c8889233d3f7f56cea8e0b710c
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0204Z-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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