NIL HEARDRECEPTION LOG

GYA Northwood radiofax, 8040 kHz (day)

tier A · carrier

8038.1 kHz USB · 2026-10-06 13:51:02Z · 10:00 · received at Larvik, Norway

Spectrogram of GYA Northwood radiofax, 8040 kHz (day), 8038.1 kHz USB, 2026-10-06 13:51:02Z, 10:00: carrier 37% · morse 33% · keyed-tone 20% · data 7% · mixed 3% · tone 2297 Hz · keying 2.00 Hz depth 0.81
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.9 MB ⤓ Opus 2496 kB { }
What was heard
carrier 37% · morse 33% · keyed-tone 20% · data 7% · mixed 3% · tone 2297 Hz · keying 2.00 Hz depth 0.81 — dominant tone 2297 Hz, keyed at 2.0 Hz (depth 0.81). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Larvik, Norway (JO49xa) · dipole · reported SNR 31 dB — thanks to the operator. Receivers
Provenance
sha256 db2bcccbbf7f79c5599d45d3b27c13866caf793c1d7bac36d566e2c5b45ddc23
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T1351Z-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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