NIL HEARDRECEPTION LOG

MSF Anthorn 60 kHz time code

tier A · keyed-tone

59 kHz USB · 2026-10-06 19:49:18Z · 03:45 · received at Brettnach F57320

Spectrogram of MSF Anthorn 60 kHz time code, 59 kHz USB, 2026-10-06 19:49:18Z, 03:45: keyed-tone 92% · carrier 8% · tone 1002 Hz · keying 1.00 Hz depth 0.92
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.8 MB ⤓ Opus 1009 kB { }
What was heard
keyed-tone 92% · carrier 8% · tone 1002 Hz · keying 1.00 Hz depth 0.92 — dominant tone 1002 Hz, keyed at 1.0 Hz (depth 0.92). 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 8265e76dd88f82d33282677e0571248cacda420ee434db7302b04ee7b2af75d1
source 03:45 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T1949Z-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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