NIL HEARDRECEPTION LOG

GYA Northwood radiofax, 8040 kHz (day)

tier A · keyed-tone

8038.1 kHz USB · 2026-09-21 07:17:10Z · 10:00 · received at Brettnach F57320

Spectrogram of GYA Northwood radiofax, 8040 kHz (day), 8038.1 kHz USB, 2026-09-21 07:17:10Z, 10:00: keyed-tone 50% · carrier 27% · morse 20% · mixed 3% · tone 2370 Hz · keying 2.00 Hz depth 0.72
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 11.0 MB ⤓ Opus 2477 kB { }
What was heard
keyed-tone 50% · carrier 27% · morse 20% · mixed 3% · tone 2370 Hz · keying 2.00 Hz depth 0.72 — dominant tone 2370 Hz, keyed at 2.0 Hz (depth 0.72). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Brettnach F57320 (JN39GG) · vertical · reported SNR 36 dB — thanks to the operator. Receivers
Provenance
sha256 10136f00638562803fa3478753ed7b5e66821b70bc210b3d0990071b7bc6bc33
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0717Z-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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