NIL HEARDRECEPTION LOG

MSF Anthorn 60 kHz time code

tier A · keyed-tone

59 kHz USB · 2026-09-26 08:00:32Z · 04:23 · received at Ireland

Spectrogram of MSF Anthorn 60 kHz time code, 59 kHz USB, 2026-09-26 08:00:32Z, 04:23: keyed-tone 100% · tone 999 Hz · keying 1.00 Hz depth 0.94
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.2 MB ⤓ Opus 1210 kB { }
What was heard
keyed-tone 100% · tone 999 Hz · keying 1.00 Hz depth 0.94 — dominant tone 999 Hz, keyed at 1.0 Hz (depth 0.94). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Ireland (IO53mw) · Dipole · reported SNR 30 dB — thanks to the operator. Receivers
Provenance
sha256 884477fda7ae400f49442de37b5c194d98f3c8887e9cfdf1333ce698e30b23bf
source 04:23 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-26T0800Z-59-msf-60
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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