NIL HEARDRECEPTION LOG

GYA Northwood radiofax, 4610 kHz (night)

tier A · keyed-tone

4608.1 kHz USB · 2026-09-20 23:12:10Z · 10:00 · received at Montmorillon 86500 FRANCE

Spectrogram of GYA Northwood radiofax, 4610 kHz (night), 4608.1 kHz USB, 2026-09-20 23:12:10Z, 10:00: keyed-tone 53% · morse 33% · carrier 7% · data 3% · mixed 3% · tone 2332 Hz · keying 0.20 Hz depth 0.80
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 11.0 MB ⤓ Opus 2500 kB { }
What was heard
keyed-tone 53% · morse 33% · carrier 7% · data 3% · mixed 3% · tone 2332 Hz · keying 0.20 Hz depth 0.80 — dominant tone 2332 Hz, keyed at 0.2 Hz (depth 0.8). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Montmorillon 86500 FRANCE (JN05ot) · Antenna Shared Apex SAL 30 array solution · reported SNR 45 dB — thanks to the operator. Receivers
Provenance
sha256 311b74da8ae553f7637067552ef5bdbb2a0abaffc6d788190bc77c6ceb30ec12
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T2312Z-4608.1-wxfax-gya-4610
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.
Related