NIL HEARDRECEPTION LOG

MSF Anthorn 60 kHz time code

tier A · keyed-tone

59 kHz USB · 2026-09-24 03:14:10Z · 08:06 · received at Brettnach F57320

Spectrogram of MSF Anthorn 60 kHz time code, 59 kHz USB, 2026-09-24 03:14:10Z, 08:06: keyed-tone 100% · tone 999 Hz · keying 1.00 Hz depth 0.89
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 8.2 MB ⤓ Opus 2138 kB { }
What was heard
keyed-tone 100% · tone 999 Hz · keying 1.00 Hz depth 0.89 — dominant tone 999 Hz, keyed at 1.0 Hz (depth 0.89). 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 41 dB — thanks to the operator. Receivers
Provenance
sha256 e521a9b3ae3066c705e599f7e2e40568e9de53704ebbf52be0d491bb05e498c4
source 08:06 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T0314Z-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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