Yes I have seen that, very good point, and I was also thinking about the
lmr400 length earlier in the thread.
I felt that Ronnie may not warm to that idea, so did not mention it.
It is a bit of hit and miss sometimes with that solution, but once
there, your done.
On 3/9/20 11:41 am, James Bennett via Elecraft wrote:
Ronnie,
I’m kinda late to this dance, but did want to toss in my thoughts. I assume you
are running a length of beefy coax from the back of the KPA1500 to the balun. I
do the same with my KPA500/KAT500. About 10 feet of 9913 coax to the Balun
Designs box, then 110 feet of 600 ohm line to the antenna feed point. I
initially had a very ugly SWR on 20 meters that the KAT500 balked at; the other
bands were fine. Changing the length of the coax between the tuner and the
balun cured the problem - I went from 20 feet (a convenient piece of coax I had
lying around) to 10 feet. If you’ve got some other lengths of coax available,
you might want to try switching them in / out - might be easier than chopping
the ladder line.
73, Jim / W6JHB
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