NIL HEARDRECEPTION LOG

DWD Pinneberg weather fax

tier A · morse

7878.1 kHz USB · 2026-09-22 13:33:11Z · 05:00 · received at Larvik, Norway

Spectrogram of DWD Pinneberg weather fax, 7878.1 kHz USB, 2026-09-22 13:33:11Z, 05:00: morse 67% · carrier 20% · keyed-tone 7% · data 7% · tone 2317 Hz · keying 4.00 Hz depth 0.77
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.6 MB ⤓ Opus 1209 kB { }
What was heard
morse 67% · carrier 20% · keyed-tone 7% · data 7% · tone 2317 Hz · keying 4.00 Hz depth 0.77 — dominant tone 2317 Hz, keyed at 4.0 Hz (depth 0.77). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Larvik, Norway (JO49xa) · dipole · reported SNR 30 dB — thanks to the operator. Receivers
Provenance
sha256 34ddf09a5ee4ba1158648f875cedfc7861305beb04a685df29c11cabc7ab42d0
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-22T1333Z-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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