[K3] [Elecraft] Initial Settings

David Woolley (E.L) forums at david-woolley.me.uk
Sun Nov 23 05:52:20 EST 2008


O. Johns wrote:
> 
> Ah, my god, are you lucky if you don't need NB.  I live in the center of 
> San Francisco, CA, and every tom dick and harry and every restaurant 
> pizza oven and every cell phone tower (one block away) and every 
> neighbor's numerous wall warts are spewing out RFI.  S-meter readings 

In general, those sources require noise reduction, not noise blanking. 
The K3 has both, but note that noise reduction is a difficult problem, 
and there are severe limits on what can ever be achieved.

> mean nothing.  It is S units (if any) above the man-made noise that 
> matter.  When I finish my current project, a balanced antenna tuner, 
> then I will assemble my new K3 and we'll start on the NB and NR and AGC 
> and AFX merry-go-round.  The K2 noise reduction is almost useless 
> against all this stuff, so I hope the K3 does better.

Unless you have one of the audio filters, you do not have noise 
reduction, on the K2, only noise blanking.



-- 
David Woolley
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