http://elecraft.85.s1.nabble.com/KX1-Antenna-Matching-Question-tp7631519p7631530.html
I've never been concerned about a SWR of 3:1 or less on HF. Even with a
back to the antenna and is radiated. Now if the length of feedline has
reflected power arrives back at the antenna. Hence the reason to use
good to very good low loss feedline.
> When following the instruction in the KXAT1 manual and using a wire
> between 24-28 feet and a 16' counterpoise for 40 and an 8'
> counterpoise for 20, the best I can ever get is a 1.6 SWR on 20 and
> 2.8 SWR on 40.
>
> I've spent lots of time shortening and lengthening wires and writing
> down results and I can't hit the magic combination.
>
>
> The manual also makes it clear on page 8 that a 1:1 SWR is NOT
> necessary for good performance. I believe this because the little KX1
> makes me plenty of contacts with this setup, including DX.
>
>
> I suppose I could just be happy....
>
>
> However, it bothers me that these SWRs are the best I can do. I don't
> like seeing these high ratios on the display. I built this KX1 but
> had Don Wilhelm build and install the 30/80 module for me. As part of
> his service, he went over my KX1 and told me that it was up to spec.
>
>
> So my question is: Has any KX1 user out there figured out a wire
> length, length and number of counterpoises, etc. that gives a better
> match with the KXAT1's capabilities??
>
>
> When I say I use a wire, I mean I throw it up into a tree and get it
> as vertical and possible, then I lay out the counterpoise wires and it
> all attaches directly to the KX1 with a dual binding post. Just real
> simple!
>
>
> Thanks for any words of advice and 73,
> Stan WB2LQF
>
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