DWD Hamburg RTTY weather DDH7

tier A · data

7644.5 kHz USB · 2026-09-24 02:29:27Z · 10:00 · received at Wessex - KiwiSDR - G8JNJ - South West UK

Spectrogram of DWD Hamburg RTTY weather DDH7, 7644.5 kHz USB, 2026-09-24 02:29:27Z, 10:00: data 87% · carrier 7% · morse 7% · tone 1274 Hz · keying 0.78 Hz depth 0.89 — spectrogram 0–6.0 kHz · analysis blocks: morse data carrier

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.6 MB ⤓ Opus 2481 kB { }

What was heard

data 87% · carrier 7% · morse 7% · tone 1274 Hz · keying 0.78 Hz depth 0.89 — dominant tone 1274 Hz, keyed at 0.78 Hz (depth 0.89). 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 41 dB — thanks to the operator. Receivers

Provenance

sha256 7cafcff5e77dda08ac70d5b855ee38a995caff048ff671fff9357372380de9d1
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T0229Z-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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