NIL HEARDRECEPTION LOG

CFH Halifax (Canadian Forces) fax/RTTY

tier A · mixed

6494.5 kHz USB · 2026-09-20 20:10:02Z · 10:00 · received at villers aux bois france

Spectrogram of CFH Halifax (Canadian Forces) fax/RTTY, 6494.5 kHz USB, 2026-09-20 20:10:02Z, 10:00: mixed 73% · morse 27% · tone 372 Hz · keying 0.60 Hz depth 0.78
spectrogram 0–6.0 kHz · analysis blocks: morse mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.4 MB ⤓ Opus 2586 kB { }
What was heard
mixed 73% · morse 27% · tone 372 Hz · keying 0.60 Hz depth 0.78 — dominant tone 372 Hz, keyed at 0.6 Hz (depth 0.78). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, villers aux bois france (JN18xw) · LW 20 LONG FIL MULTIBANDE 0 à 30 mhz · reported SNR 30 dB — thanks to the operator. Receivers
Provenance
sha256 5b19f58b27a495e3c68cce9a9b4d9f0b42d5fcf3a8669c71b0997e820814d43f
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T2010Z-6494.5-rtty-cfh-6496
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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