[Elecraft] K4 Question

[Adrian]

An excessive strength FT8 signal is easy to remove with notch.


On 24/6/20 7:32 am, Eric Norris wrote:
> My foaming at the mouth over the K4 has been tempered by it having less
> adjacent channel rejection than the K3 due to the different
> architecture--at least until the K4HD comes out.  I understand this, and
> the reasons why.  Thanks for your answers
>
> I know I have asked this question before, but I want to be more specific.
> My QRM neighbor is S9+65 db on my K3S S-meter.  If he is blasting away on
> ft8 at 7074 kHz at that signal level, how would the plain K4 receiver
> perform at 7034 kHz on CW?  Would there be AGC pumping, RX desense, or
> other degradation, or would I be able to carry on a CW qso unmolested like
> I can with my K3?  What about an adjacent band like 3534 kHz or 10114 kHz?
> Or is the answer I have to wait for the K4HD?
>
> No speculation, please, I'm looking for a real-world or lab-world answer.
>
> Thanks and,
>
> 73 Eric WD6DBM
> ______________________________________________________________