NIL HEARDRECEPTION LOG

GYA Northwood radiofax, 8040 kHz (day)

tier A · keyed-tone

8038.1 kHz USB · 2026-09-24 07:27:22Z · 10:00 · received at South West England, UK

Spectrogram of GYA Northwood radiofax, 8040 kHz (day), 8038.1 kHz USB, 2026-09-24 07:27:22Z, 10:00: keyed-tone 40% · morse 37% · mixed 13% · data 7% · carrier 3% · tone 2300 Hz · keying 0.40 Hz depth 0.83
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
keyed-tone 40% · morse 37% · mixed 13% · data 7% · carrier 3% · tone 2300 Hz · keying 0.40 Hz depth 0.83 — dominant tone 2300 Hz, keyed at 0.4 Hz (depth 0.83). 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 34 dB — thanks to the operator. Receivers
Provenance
sha256 83d3321e2aaf8c9d9c0a73602f8b65d833ee6026a23d130bec5ec06f79c39b1b
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T0727Z-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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