NIL HEARDRECEPTION LOG

The Pip

tier B · mixed

3756 kHz USB · 2026-09-25 18:47:50Z · 08:26 · received at Brettnach F57320

Spectrogram of The Pip, 3756 kHz USB, 2026-09-25 18:47:50Z, 08:26: mixed 92% · keyed-tone 8% · tone 521 Hz · keying 0.75 Hz depth 0.91
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.1 MB ⤓ Opus 2097 kB { }
What was heard
mixed 92% · keyed-tone 8% · tone 521 Hz · keying 0.75 Hz depth 0.91 — dominant tone 521 Hz, keyed at 0.75 Hz (depth 0.91). 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 43 dB — thanks to the operator. Receivers
Provenance
sha256 95923631c1a3f891126caa9816a508a5dbbef86e9a84b57e44efc82a8614cbf9
source 08:26 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-25T1847Z-3756-pip-3756
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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