NIL HEARDRECEPTION LOG

DWD Pinneberg weather fax

tier A · carrier

7878.1 kHz USB · 2026-09-21 16:33:00Z · 04:07 · received at Larvik, Norway

Spectrogram of DWD Pinneberg weather fax, 7878.1 kHz USB, 2026-09-21 16:33:00Z, 04:07: carrier 85% · keyed-tone 8% · data 8% · tone 1474 Hz · keying 0.20 Hz depth 0.68
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone data carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.4 MB ⤓ Opus 1035 kB { }
What was heard
carrier 85% · keyed-tone 8% · data 8% · tone 1474 Hz · keying 0.20 Hz depth 0.68 — dominant tone 1474 Hz, keyed at 0.2 Hz (depth 0.68). 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 33 dB — thanks to the operator. Receivers
Provenance
sha256 6b8038fd1e9b7d70012462682d664a0e2353ca334f4fd857dee768ea5a564e4c
source 04:07 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T1633Z-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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