NIL HEARDRECEPTION LOG

GYA Northwood radiofax, 8040 kHz (day)

tier A · keyed-tone

8038.1 kHz USB · 2026-10-05 13:15:59Z · 10:00 · received at Wessex - KiwiSDR - G8JNJ - South West UK

Spectrogram of GYA Northwood radiofax, 8040 kHz (day), 8038.1 kHz USB, 2026-10-05 13:15:59Z, 10:00: keyed-tone 67% · mixed 27% · morse 3% · data 3% · tone 2300 Hz · keying 0.30 Hz depth 0.70
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.8 MB ⤓ Opus 2424 kB { }
What was heard
keyed-tone 67% · mixed 27% · morse 3% · data 3% · tone 2300 Hz · keying 0.30 Hz depth 0.70 — dominant tone 2300 Hz, keyed at 0.3 Hz (depth 0.7). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Wessex - KiwiSDR - G8JNJ - South West UK (IO80qr) · (same as Wessex KiWi V1) · reported SNR 32 dB — thanks to the operator. Receivers
Provenance
sha256 6b79589209dc03ba759f92ccd659cf102896f83e32f83e2ee8bb61e353eeae5c
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T1315Z-8038.1-wxfax-gya-8040
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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