On closer inspection, I found that your signal achieved aural copy
in a 15 Hz bandwidth as well.
A 20 second audio clip is attched. The signal goes off after 9
second. The beatnote is 400 Hz.
I gather 10 WPM morse code should have been easy copy.
From: Roelof Bakker, PAoRDT
Location: Middelburg, Zealand SW Netherlands, 51 30 02 N, 03 36 02 E
Receiver hardware: PERSEUS
Receiver software: PERSEUS V5
Audio recording: Audacity
Aerial: pa0rdt-mini-whip, 5 metre up in a hawthorn tree.
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