[Elecraft] kx3/wsjtx, multiple notches?

Walter Underwood wunder at wunderwood.org
Mon Feb 24 13:37:39 EST 2020


Instead of a notch, I’d try low-cut and high-cut to narrow in on the signal.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Feb 24, 2020, at 10:27 AM, Tox <scott.small at gmail.com> wrote:
> 
> Hello,
> 
> Between the kxpa100 and getting a fan dipole just above roofline, I'm
> finally able to make ft8 contacts fairly consistently in North America
> when my local broadband noise source isn't operating.
> 
> There are times though when one of a couple adjacent stations a mile
> or two from me either swing their beam over my dipole, or crank the
> knob, and desense my kx3 pretty solidly.
> 
> I'm slowly learning how to tune the skirts and wield the notch, so can
> sometimes work the one edge of the ft8 range, but there are also times
> both of them are active at the same time, and trying to grab a 400kc
> slice in between them to work hasn't panned out so far.
> 
> Is there a way, either in-radio, or with wsjtx, to do *two*
> controllable notch filters, so the world doesn't disappear into the
> shadow of +18s?
> 
> Thanks,
> 
> Scott
> AD6YT
> 
> 
> 
> -- 
> Scott Small
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