[Elecraft] KDSP2 - SSB Noise reduction

[Phil Wheeler]

>
>
>I wonder if anyone else has had this experience ?
>

Generally, yes. By that I mean that DSP is sometimes fussy to get set up 
but very effective once done.  The flexibility carries with it a bit of 
a learning curve :-)

73, Phil


Baker wrote:

>Yesterday I was in an 80m SSB net where one of the stations was really 
>down in the noise, lots of QSB and background hash.
>
>In an effort to copy him I first narrowed down the XFil B/W, that did 
>not work so I tried the same with the DSP B/W, same result.
>Finally I selected NR on the KDSP2 and the signal became much more 
>readable.
>
>Nothing strange about that you might say, but previously switching in 
>the KDSP2 NR on my K2 had REDUCED the signal readability due to 
>artifacts proceed by the process. In short I never used the NR on SSB, 
>only using the DSP for notching hetrodynes.
>
>I examined my settings and found that I still had SF2 selected (200Hz 
>to 2.5kHz). I normally run the KDSP2 on SF1 ((LPASS F), and use the 
>XFil to select the B/W. 
>  
>