NIL HEARDRECEPTION LOG

DWD Hamburg RTTY weather DDH7

tier A · data

7644.5 kHz USB · 2026-10-01 21:30:57Z · 03:20 · received at Brettnach F57320

Spectrogram of DWD Hamburg RTTY weather DDH7, 7644.5 kHz USB, 2026-10-01 21:30:57Z, 03:20: data 100%
spectrogram 0–6.0 kHz · analysis blocks: data
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.5 MB ⤓ Opus 839 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, Brettnach F57320 (JN39GG) · vertical · reported SNR 44 dB — thanks to the operator. Receivers
Provenance
sha256 fed6047fed252b69746084e5964737baf903e3cb1fb9f8085c923629ec2593e1
source 03:20 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-01T2130Z-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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