NIL HEARDRECEPTION LOG

MSF Anthorn 60 kHz time code

tier A · keyed-tone

59 kHz USB · 2026-10-05 19:33:37Z · 10:00 · received at Assen | Netherlands

Spectrogram of MSF Anthorn 60 kHz time code, 59 kHz USB, 2026-10-05 19:33:37Z, 10:00: keyed-tone 100% · tone 999 Hz · keying 1.00 Hz depth 0.92
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.1 MB ⤓ Opus 2649 kB { }
What was heard
keyed-tone 100% · tone 999 Hz · keying 1.00 Hz depth 0.92 — dominant tone 999 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, Assen | Netherlands (JO32fx) · Active Loop antenna PAHGOR (serial nr: 001) built by ► PA0EBC ◀ 👍 · reported SNR 43 dB — thanks to the operator. Receivers
Provenance
sha256 2d76868664fcfff88269e662429554088494b3c6686eb81bed015d865bbc071e
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T1933Z-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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