NIL HEARDRECEPTION LOG

The Pip

tier B · mixed

3756 kHz USB · 2026-10-01 19:00:51Z · 10:00 · received at Assen | Netherlands

Spectrogram of The Pip, 3756 kHz USB, 2026-10-01 19:00:51Z, 10:00: mixed 67% · keyed-tone 23% · voice 7% · carrier 3% · tone 504 Hz · keying 0.70 Hz depth 0.94
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 2563 kB { }
What was heard
mixed 67% · keyed-tone 23% · voice 7% · carrier 3% · tone 504 Hz · keying 0.70 Hz depth 0.94 — dominant tone 504 Hz, keyed at 0.7 Hz (depth 0.94). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Assen | Netherlands (JO32fx) · Active Loop antenna PAHGOR (serial nr: 001) built by ► PA0EBC ◀ 👍 · reported SNR 44 dB — thanks to the operator. Receivers
Provenance
sha256 9c2c46fe81811396f6dcac303047acfe3e77d5fcc0dce114961cb5f8f79a005f
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-01T1900Z-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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