NIL HEARDRECEPTION LOG

BPM Lintong time signal (morse ID + Chinese voice)

tier A · morse

10000 kHz AM · 2026-09-21 05:57:19Z · 02:23 · received at Chiba, Japan

Spectrogram of BPM Lintong time signal (morse ID + Chinese voice), 10000 kHz AM, 2026-09-21 05:57:19Z, 02:23: morse 50% · keyed-tone 38% · carrier 12% · tone 987 Hz · keying 0.60 Hz depth 0.77
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.7 MB ⤓ Opus 540 kB { }
What was heard
morse 50% · keyed-tone 38% · carrier 12% · tone 987 Hz · keying 0.60 Hz depth 0.77 — dominant tone 987 Hz, keyed at 0.6 Hz (depth 0.77). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Chiba, Japan (QM05cq) · EndFed · reported SNR 24 dB — thanks to the operator. Receivers
Provenance
sha256 1e923fb302895dbacbda54a498d5869d852e12a53ab5c7d14afee46d5a8b5220
source 02:23 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0557Z-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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