NIL HEARDRECEPTION LOG

DWD Hamburg RTTY weather DDH7

tier A · data

7644.5 kHz USB · 2026-10-03 04:38:12Z · 06:36 · received at Brettnach F57320

Spectrogram of DWD Hamburg RTTY weather DDH7, 7644.5 kHz USB, 2026-10-03 04:38:12Z, 06:36: data 100%
spectrogram 0–6.0 kHz · analysis blocks: data
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 7.0 MB ⤓ Opus 1638 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 41 dB — thanks to the operator. Receivers
Provenance
sha256 245495c75bfb36c8872e1cbca2a7d8e36cc5a6d6638be7bdfd339dea5f9a6011
source 06:36 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-03T0438Z-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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