NIL HEARDRECEPTION LOG

BPM Lintong time signal (morse ID + Chinese voice)

tier A · keyed-tone

10000 kHz AM · 2026-09-21 03:24:49Z · 04:00 · received at Dae_Gu City, South Korea

Spectrogram of BPM Lintong time signal (morse ID + Chinese voice), 10000 kHz AM, 2026-09-21 03:24:49Z, 04:00: keyed-tone 100% · tone 999 Hz · keying 1.00 Hz depth 0.97
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.5 MB ⤓ Opus 902 kB { }
What was heard
keyed-tone 100% · tone 999 Hz · keying 1.00 Hz depth 0.97 — dominant tone 999 Hz, keyed at 1.0 Hz (depth 0.97). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Dae_Gu City, South Korea (PM45HV01) · 2m Collinear Antenna | 6m: 6-ele Yagi + 5/8 GP Antennas | HF: 85m Loop Antenna, 150m from ground · reported SNR 27 dB — thanks to the operator. Receivers
Provenance
sha256 31ed1a2cb7526dcc5f6da259ef0169d335efeac5106fc03a455825161a4da5ba
source 04:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0324Z-10000-bpm-10000
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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