NIL HEARDRECEPTION LOG

DWD Pinneberg weather fax

tier A · keyed-tone

7878.1 kHz USB · 2026-10-06 15:22:05Z · 02:53 · received at Heppen, Limburg, Belgium

Spectrogram of DWD Pinneberg weather fax, 7878.1 kHz USB, 2026-10-06 15:22:05Z, 02:53: keyed-tone 100% · tone 2317 Hz · keying 0.25 Hz depth 0.75
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.9 MB ⤓ Opus 687 kB { }
What was heard
keyed-tone 100% · tone 2317 Hz · keying 0.25 Hz depth 0.75 — dominant tone 2317 Hz, keyed at 0.25 Hz (depth 0.75). 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 30 dB — thanks to the operator. Receivers
Provenance
sha256 c3cc0dd28c06e4dd7cdadcf0f3be26aeddf7ce5fdd164a578a4d0ef7966095a5
source 02:53 WAV, 12000 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T1522Z-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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