NIL HEARDRECEPTION LOG

Empty band / atmospherics

tier A · carrier

6200 kHz AM · 2026-09-24 01:11:59Z · 10:00 · received at Wessex - KiwiSDR - G8JNJ - South West UK

Spectrogram of Empty band / atmospherics, 6200 kHz AM, 2026-09-24 01:11:59Z, 10:00: carrier 47% · keyed-tone 43% · noise 10% · tone 26 Hz · keying 0.30 Hz depth 0.92
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier noise
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.6 MB ⤓ Opus 2334 kB { }
What was heard
carrier 47% · keyed-tone 43% · noise 10% · tone 26 Hz · keying 0.30 Hz depth 0.92 — dominant tone 26 Hz, keyed at 0.3 Hz (depth 0.92). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Wessex - KiwiSDR - G8JNJ - South West UK (IO80qr) · (same as Wessex KiWi V1) · reported SNR 42 dB — thanks to the operator. Receivers
Provenance
sha256 f4b3ec1bebd22b65ae869158462d07ef16bfd51ac52bc0f2906f20a1a23c5761
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T0111Z-6200-quiet-6200
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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