NIL HEARDRECEPTION LOG

The Squeaky Wheel

tier B · keyed-tone

3363.5 kHz USB · 2026-09-21 00:50:08Z · 04:03 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of The Squeaky Wheel, 3363.5 kHz USB, 2026-09-21 00:50:08Z, 04:03: keyed-tone 100% · tone 363 Hz · keying 0.75 Hz depth 0.98
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.1 MB ⤓ Opus 1053 kB { }
What was heard
keyed-tone 100% · tone 363 Hz · keying 0.75 Hz depth 0.98 — dominant tone 363 Hz, keyed at 0.75 Hz (depth 0.98). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Hamburg, Drage, 🇩🇪 Germany 🇩🇪 (JO53dk) · VLF broadband vertical V1.2 08/26 · reported SNR 40 dB — thanks to the operator. Receivers
Provenance
sha256 f8184d5be6b86c04129885245ca9ab5a81774b67d9e060896e11ca2bb501953d
source 04:03 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0050Z-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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