NIL HEARDRECEPTION LOG

The Pip

tier B · keyed-tone

3756 kHz USB · 2026-10-06 17:30:08Z · 04:15 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of The Pip, 3756 kHz USB, 2026-10-06 17:30:08Z, 04:15: keyed-tone 38% · voice 38% · mixed 23% · tone 498 Hz · keying 0.75 Hz depth 0.85
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.4 MB ⤓ Opus 1100 kB { }
What was heard
keyed-tone 38% · voice 38% · mixed 23% · tone 498 Hz · keying 0.75 Hz depth 0.85 — dominant tone 498 Hz, keyed at 0.75 Hz (depth 0.85). 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 39 dB — thanks to the operator. Receivers
Provenance
sha256 f1f7d3efb4ef7838121e1d8f5e32879c66aec121f8c9496c0a506f44f1a09790
source 04:15 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T1730Z-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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