NIL HEARDRECEPTION LOG

The Squeaky Wheel

tier B · keyed-tone

3363.5 kHz USB · 2026-09-19 02:09:57Z · 10:00 · received at Brettnach F57320

Spectrogram of The Squeaky Wheel, 3363.5 kHz USB, 2026-09-19 02:09:57Z, 10:00: keyed-tone 50% · mixed 43% · carrier 7% · tone 392 Hz · keying 0.75 Hz depth 0.97
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.5 MB ⤓ Opus 2609 kB { }
What was heard
keyed-tone 50% · mixed 43% · carrier 7% · tone 392 Hz · keying 0.75 Hz depth 0.97 — dominant tone 392 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 39 dB — thanks to the operator. Receivers
Provenance
sha256 dca84fd73c2241b1f7ffb89759c0aff12b20c447f77693ad9f31dd62adedd0a3
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-19T0209Z-3363.5-squeaky-3363
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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