NIL HEARDRECEPTION LOG

BPM Lintong time signal (morse ID + Chinese voice)

tier A · keyed-tone

10000 kHz AM · 2026-10-03 08:27:06Z · 04:00 · received at Chiba, Japan

Spectrogram of BPM Lintong time signal (morse ID + Chinese voice), 10000 kHz AM, 2026-10-03 08:27:06Z, 04:00: keyed-tone 83% · carrier 8% · morse 8% · tone 987 Hz · keying 0.50 Hz depth 0.73
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.4 MB ⤓ Opus 928 kB { }
What was heard
keyed-tone 83% · carrier 8% · morse 8% · tone 987 Hz · keying 0.50 Hz depth 0.73 — dominant tone 987 Hz, keyed at 0.5 Hz (depth 0.73). 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 26 dB — thanks to the operator. Receivers
Provenance
sha256 4def874b19db34cb048791ff7c3c3da9361469e3a7f7db18a352946ec4bf2c23
source 04:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-03T0827Z-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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