NIL HEARDRECEPTION LOG

GYA Northwood radiofax, 4610 kHz (night)

tier A · morse

4608.1 kHz USB · 2026-09-26 00:42:15Z · 02:00 · received at Brettnach F57320

Spectrogram of GYA Northwood radiofax, 4610 kHz (night), 4608.1 kHz USB, 2026-09-26 00:42:15Z, 02:00: morse 67% · keyed-tone 17% · data 17% · tone 2338 Hz · keying 2.00 Hz depth 0.90
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.2 MB ⤓ Opus 499 kB { }
What was heard
morse 67% · keyed-tone 17% · data 17% · tone 2338 Hz · keying 2.00 Hz depth 0.90 — dominant tone 2338 Hz, keyed at 2.0 Hz (depth 0.9). 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 41 dB — thanks to the operator. Receivers
Provenance
sha256 2182714ff99f832b496de00a9d914c547fcad572a4b8c9e83c1891c69b93d3bd
source 02:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-26T0042Z-4608.1-wxfax-gya-4610
Heard in the record
Reception Conditions Were Poor — “Spruchnummer”
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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