NIL HEARDRECEPTION LOG

MSF Anthorn 60 kHz time code

tier A · keyed-tone

59 kHz USB · 2026-09-21 22:41:28Z · 02:45 · received at Brettnach F57320

Spectrogram of MSF Anthorn 60 kHz time code, 59 kHz USB, 2026-09-21 22:41:28Z, 02:45: keyed-tone 56% · mixed 44% · tone 1002 Hz · keying 1.00 Hz depth 0.79
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.1 MB ⤓ Opus 679 kB { }
What was heard
keyed-tone 56% · mixed 44% · tone 1002 Hz · keying 1.00 Hz depth 0.79 — dominant tone 1002 Hz, keyed at 1.0 Hz (depth 0.79). 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 47 dB — thanks to the operator. Receivers
Provenance
sha256 61003f5b81072c0509c5145e794ab3ea0bd00db950a1237b600f78c54116d9f1
source 02:45 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T2241Z-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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