NIL HEARDRECEPTION LOG

The Pip

tier B · keyed-tone

3756 kHz USB · 2026-09-19 23:20:30Z · 10:00 · received at Brettnach F57320

Spectrogram of The Pip, 3756 kHz USB, 2026-09-19 23:20:30Z, 10:00: keyed-tone 90% · mixed 7% · carrier 3% · tone 428 Hz · keying 0.75 Hz depth 0.96
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.6 MB ⤓ Opus 2518 kB { }
What was heard
keyed-tone 90% · mixed 7% · carrier 3% · tone 428 Hz · keying 0.75 Hz depth 0.96 — dominant tone 428 Hz, keyed at 0.75 Hz (depth 0.96). 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 44 dB — thanks to the operator. Receivers
Provenance
sha256 029a6b079db2f9fb9a63e8a0eeae6c94c0677edbc56294bce1050a43dd064815
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-19T2320Z-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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