XSL "Japanese Slot Machine"

tier B · data

6250 kHz USB · 2026-09-19 21:37:22Z · 09:49 · received at Dae_Gu City, South Korea

Spectrogram of XSL "Japanese Slot Machine", 6250 kHz USB, 2026-09-19 21:37:22Z, 09:49: data 83% · keyed-tone 7% · morse 7% · mixed 3% · tone 1154 Hz · keying 0.40 Hz depth 0.95 — spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data mixed

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.6 MB ⤓ Opus 2451 kB { }

What was heard

data 83% · keyed-tone 7% · morse 7% · mixed 3% · tone 1154 Hz · keying 0.40 Hz depth 0.95 — dominant tone 1154 Hz, keyed at 0.4 Hz (depth 0.95). 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 35 dB — thanks to the operator. Receivers

Provenance

sha256 c4433edc00910c32f957b66b8cbd020097cb34d9d516919615ab26c242d7c459
source 09:49 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-19T2137Z-6250-xsl-6250

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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