NIL HEARDRECEPTION LOG

BPM Lintong time signal (morse ID + Chinese voice)

tier A · keyed-tone

10000 kHz AM · 2026-10-02 00:25:07Z · 04:00 · received at Chiba, Japan

Spectrogram of BPM Lintong time signal (morse ID + Chinese voice), 10000 kHz AM, 2026-10-02 00:25:07Z, 04:00: keyed-tone 75% · data 8% · carrier 8% · morse 8% · tone 981 Hz · keying 0.23 Hz depth 0.76
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.6 MB ⤓ Opus 904 kB { }
What was heard
keyed-tone 75% · data 8% · carrier 8% · morse 8% · tone 981 Hz · keying 0.23 Hz depth 0.76 — dominant tone 981 Hz, keyed at 0.23 Hz (depth 0.76). 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 27 dB — thanks to the operator. Receivers
Provenance
sha256 2ebb17615fd44dd366673f02f70966f352c948613abc5f88ff7675300c841e40
source 04:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-02T0025Z-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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