NIL HEARDRECEPTION LOG

CFH Halifax (Canadian Forces) fax/RTTY

tier A · mixed

6494.5 kHz USB · 2026-09-23 02:50:32Z · 06:41 · received at Pine Bush, NY 12566

Spectrogram of CFH Halifax (Canadian Forces) fax/RTTY, 6494.5 kHz USB, 2026-09-23 02:50:32Z, 06:41: mixed 95% · morse 5% · tone 472 Hz · keying 0.70 Hz depth 0.81
spectrogram 0–6.0 kHz · analysis blocks: morse mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 7.1 MB ⤓ Opus 1696 kB { }
What was heard
mixed 95% · morse 5% · tone 472 Hz · keying 0.70 Hz depth 0.81 — dominant tone 472 Hz, keyed at 0.7 Hz (depth 0.81). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Pine Bush, NY 12566 (FN21up) · 250 ft Doublet, Elevation 100 ft · reported SNR 32 dB — thanks to the operator. Receivers
Provenance
sha256 94772c293f16333ffdcabd21c21e1f5fe313fc803291f8c9ac35756bf09395f8
source 06:41 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T0250Z-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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