NIL HEARDRECEPTION LOG

CFH Halifax (Canadian Forces) fax/RTTY

tier A · mixed

6494.5 kHz USB · 2026-09-24 02:12:24Z · 05:17 · received at Pine Bush, NY 12566

Spectrogram of CFH Halifax (Canadian Forces) fax/RTTY, 6494.5 kHz USB, 2026-09-24 02:12:24Z, 05:17: mixed 75% · morse 25% · tone 425 Hz · keying 4.83 Hz depth 0.79
spectrogram 0–6.0 kHz · analysis blocks: morse mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.6 MB ⤓ Opus 1331 kB { }
What was heard
mixed 75% · morse 25% · tone 425 Hz · keying 4.83 Hz depth 0.79 — dominant tone 425 Hz, keyed at 4.83 Hz (depth 0.79). 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 33 dB — thanks to the operator. Receivers
Provenance
sha256 7ad1677d4705992f167b27fa0dd4778061a1460a09b3b4f40e23e79fbdd2b61d
source 05:17 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T0212Z-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.
Related