[Elecraft] K3 CW rise time mod - Definition

[Paul Christensen]

>    I would like to see someone please take this discussion one step 
> further and define the terms "hard" keying and "soft" keying, and describe 
> how either an operator or someone listening would be able to discriminate 
> between the two.

Gary, this topic has been covered in great detail in nearly every ARRL 
Handbook for at least the last fifty years -- as well as other publications. 
Some of the most relevant material is covered in articles during the '40s 
and '50s by By Goodman and George Garmmer. Not all of the material 
pertaining to "optimum key-shaping" is accurate, but otherwise, the content 
is still accurate.

Many of us do not like to be held hostage to one rise/fall setting as a "one 
size fits all" answer to our operating practices. With DSP-generated 
raised-cosine key shaping, it's now possible to tighten up key shaping at 
high CW speeds without appreciably consuming additional bandwidth.

Paul, W9AC