NIL HEARDRECEPTION LOG

GYA Northwood radiofax, 8040 kHz (day)

tier A · morse

8038.1 kHz USB · 2026-09-22 06:40:25Z · 10:00 · received at South West England, UK

Spectrogram of GYA Northwood radiofax, 8040 kHz (day), 8038.1 kHz USB, 2026-09-22 06:40:25Z, 10:00: morse 40% · keyed-tone 33% · mixed 13% · carrier 10% · data 3% · tone 2297 Hz · keying 0.23 Hz depth 0.82
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.7 MB ⤓ Opus 2500 kB { }
What was heard
morse 40% · keyed-tone 33% · mixed 13% · carrier 10% · data 3% · tone 2297 Hz · keying 0.23 Hz depth 0.82 — dominant tone 2297 Hz, keyed at 0.23 Hz (depth 0.82). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, South West England, UK (IO80qr) · Switched · reported SNR 39 dB — thanks to the operator. Receivers
Provenance
sha256 2469da5a2b0b3e84ee1ccc26660f4a06d2f8249d553e3a5d070aaba9aa3d5e42
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-22T0640Z-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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