NIL HEARDRECEPTION LOG

DWD Hamburg RTTY weather DDH7

tier A · data

7644.5 kHz USB · 2026-09-25 20:39:39Z · 10:00 · received at TREMOLAT (24), FRANCE

Spectrogram of DWD Hamburg RTTY weather DDH7, 7644.5 kHz USB, 2026-09-25 20:39:39Z, 10:00: data 100%
spectrogram 0–6.0 kHz · analysis blocks: data
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.9 MB ⤓ Opus 2477 kB { }
What was heard
data 100%. Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, TREMOLAT (24), FRANCE (JN04ku) · Vertical pylon isolated 11 meters (ou Mini-Whip dual FET) · reported SNR 43 dB — thanks to the operator. Receivers
Provenance
sha256 7550a17be60a02251bf27ce11c9c1399252a50be0192d8b90364fcddbc8cff74
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-25T2039Z-7644.5-rtty-7646
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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