NIL HEARDRECEPTION LOG

DWD Pinneberg weather fax

tier A · morse

7878.1 kHz USB · 2026-09-23 15:44:54Z · 05:00 · received at Heppen, Limburg, Belgium

Spectrogram of DWD Pinneberg weather fax, 7878.1 kHz USB, 2026-09-23 15:44:54Z, 05:00: morse 67% · mixed 33% · tone 2320 Hz · keying 2.00 Hz depth 0.84
spectrogram 0–6.0 kHz · analysis blocks: morse mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.2 MB ⤓ Opus 1190 kB { }
What was heard
morse 67% · mixed 33% · tone 2320 Hz · keying 2.00 Hz depth 0.84 — dominant tone 2320 Hz, keyed at 2.0 Hz (depth 0.84). 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 34 dB — thanks to the operator. Receivers
Provenance
sha256 3a425d8277cd37c05dcc4bfaa31e0796bffd55f328edeaf10f96b60452d9cc9c
source 05:00 WAV, 12000 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T1544Z-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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