[Elecraft] The K4's new noise reduction

[David Woolley]

There is a good reason why cross-posting email is a bad idea.  This 
failed on Elecraft-K4 at groups.io  Could anyone replying please use just 
the standard elecraft list.

On 31/05/2019 21:22, David Woolley wrote:
> I would think that, at best, there would be no  benefit over using a 
> fixed filter, optimised for the mode, and at worst, they would 
> completely break the mode.
> 
> The ideal digital mode signal looks like noise!  COFDM as used for ADSL, 
> digital TV, digital radio, and 4G mobile phones gets quite close to that 
> ideal.
>