[Elecraft] K3S Noise reduction Test

[Dave Cole]

What would be really nice would be to have a separate antenna designed 
for noise reception, and the ability to phase shift it from the normal 
antenna, allowing for noise cancellation...

73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 06/20/2017 11:53 AM, wa9fvp wrote:
> Believe it not, the idea of adding NR delay is not new.  Back in 91, when I
> did the testing for the Hamblaster, we were experimenting with NR delays.
> Even with the Hamblaster the delay function made very little difference.   I
> only settled on two delay settings.  All of the others, there were about 50,
> yield no change in the aural bandwidth.  The NR reduction level had the
> greatest impact.
>
> I used the DSP Noise Blanker setting on several occasions and found it more
> affective on low level electrical noise.  The NR setting or the conventional
> NB wasn't as affective.
>
>