[Elecraft] [Elecraft_K3] A Different View--K3 Reduced-bandwidth RTTY Analysis

[Brian Alsop]

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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