NIL HEARDRECEPTION LOG

The Pip

tier B · voice

3756 kHz USB · 2026-09-22 20:13:56Z · 10:00 · received at Brettnach F57320

Spectrogram of The Pip, 3756 kHz USB, 2026-09-22 20:13:56Z, 10:00: voice 60% · mixed 27% · keyed-tone 10% · carrier 3% · tone 507 Hz · keying 1.70 Hz depth 0.77
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.6 MB ⤓ Opus 2528 kB { }
What was heard
voice 60% · mixed 27% · keyed-tone 10% · carrier 3% · tone 507 Hz · keying 1.70 Hz depth 0.77 — dominant tone 507 Hz, keyed at 1.7 Hz (depth 0.77). 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 cfdfdb6eef5f35de45e7737bb25b53dd49fb67107603344afb54991681e69afc
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-22T2013Z-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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