I notice that in the narrower signal spectrun the two tone peaks have
the same amplitude.
Many of us have wondered why our watt meters diddled like the RTTY tones.
Hopefully that is fixed too.
73 de Brian/K3KO
On 3/25/2013 19:59, Hank Garretson wrote:
Andy, K0SM has a very nice look at the K3 reduced-bandwidth FSK keying.
(Now available to all as Beta DSP rev. 2.8.)
http://www.frontiernet.net/~aflowers/k3beta/
It is also interesting to look at before and after FSK signals in the
time domain.
https://picasaweb.google.com/StarrGarretson/2013_03_25_K3_FSK
K3 FSK has always had a small amplitude difference between mark and
space. The transition has always been abrupt, Photo 1. With the new beta
software, the transition is much more gentle, Photo 2. Bravo!
Diddle Exuberantly,
Hank, W6SX
Mammoth Lakes, California
Elevation 8083 feet in John Muir's Range of Light
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