NIL HEARDRECEPTION LOG

The Pip

tier B · keyed-tone

3756 kHz USB · 2026-10-05 21:42:31Z · 04:49 · received at Brettnach F57320

Spectrogram of The Pip, 3756 kHz USB, 2026-10-05 21:42:31Z, 04:49: keyed-tone 100% · tone 539 Hz · keying 0.75 Hz depth 0.97
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.0 MB ⤓ Opus 1244 kB { }
What was heard
keyed-tone 100% · tone 539 Hz · keying 0.75 Hz depth 0.97 — dominant tone 539 Hz, keyed at 0.75 Hz (depth 0.97). 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 45 dB — thanks to the operator. Receivers
Provenance
sha256 c3e21f67956a79cf8e8c841da03a8708aab93b5828c17064c498b6de66e0c29a
source 04:49 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T2142Z-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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