NIL HEARDRECEPTION LOG

The Pip

tier B · voice

3756 kHz USB · 2026-09-23 18:19:59Z · 10:00 · received at Heppen, Limburg, Belgium

Spectrogram of The Pip, 3756 kHz USB, 2026-09-23 18:19:59Z, 10:00: voice 93% · carrier 3% · mixed 3% · tone 633 Hz · keying 0.95 Hz depth 0.84
spectrogram 0–6.0 kHz · analysis blocks: voice carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.6 MB ⤓ Opus 2426 kB { }
What was heard
voice 93% · carrier 3% · mixed 3% · tone 633 Hz · keying 0.95 Hz depth 0.84 — dominant tone 633 Hz, keyed at 0.95 Hz (depth 0.84). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Heppen, Limburg, Belgium (JO21oc) · Longwire 54m top 70m above sealevel · reported SNR 37 dB — thanks to the operator. Receivers
Provenance
sha256 fbb3e7e35a4629b371869fef172580778f18c0388ef32402a2d3d9a44c028d46
source 10:00 WAV, 12000 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T1819Z-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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