The Pip

tier B · mixed

3756 kHz USB · 2026-09-18 20:56:41Z · 04:00 · received at Brettnach F57320

Spectrogram of The Pip, 3756 kHz USB, 2026-09-18 20:56:41Z, 04:00: mixed 50% · keyed-tone 42% · carrier 8% · tone 445 Hz · keying 0.75 Hz depth 0.95 — spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier mixed

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.3 MB ⤓ Opus 1015 kB { }

What was heard

mixed 50% · keyed-tone 42% · carrier 8% · tone 445 Hz · keying 0.75 Hz depth 0.95 — dominant tone 445 Hz, keyed at 0.75 Hz (depth 0.95). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.

Receiver

KiwiSDR, Brettnach F57320 (JN39GG) · vertical · reported SNR 39 dB — thanks to the operator. Receivers

Provenance

sha256 9f693cd960c8810b259c33b4ff5d2722b23db77b8f892b4a3806082c3605ffe8
source 04:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-18T2056Z-3756-pip-3756

Heard in the record

— linked once the record exists.

Notes

rig: Marker hunt 2026-09-18 ~21:00Z. Night freq 3756 USB, Rostov-on-Don TX, expect low-tone pip ~50/min. Sources: https://priyom.org/military-stations/russia/the-pip , https://www.sigidwiki.com/wiki/The_Pip

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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