NIL HEARDRECEPTION LOG

DWD Pinneberg weather fax

tier A · morse

7878.1 kHz USB · 2026-10-05 15:46:44Z · 05:00 · received at Heppen, Limburg, Belgium

Spectrogram of DWD Pinneberg weather fax, 7878.1 kHz USB, 2026-10-05 15:46:44Z, 05:00: morse 67% · keyed-tone 20% · data 7% · mixed 7% · tone 2317 Hz · keying 2.00 Hz depth 0.82
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.1 MB ⤓ Opus 1251 kB { }
What was heard
morse 67% · keyed-tone 20% · data 7% · mixed 7% · tone 2317 Hz · keying 2.00 Hz depth 0.82 — dominant tone 2317 Hz, keyed at 2.0 Hz (depth 0.82). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Heppen, Limburg, Belgium (JO21oc) · Longwire 54m top 70m above sealevel · reported SNR 36 dB — thanks to the operator. Receivers
Provenance
sha256 839188c45169cc23da3e941f3eb0e8d7aea6bd456b2a8e61776e1cb7b0c8a7e2
source 05:00 WAV, 12000 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T1546Z-7878.1-wxfax-7880
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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