[Elecraft] KPA500 Coax size requirements

Mark Goldberg marklgoldberg at gmail.com
Tue Aug 20 23:28:02 EDT 2019


Take a look at this coax loss calculator. It will tell you how much loss
there is in the coax, including extra loss due to SWR. You will have to
determine how much loss you can tolerate.

https://www.qsl.net/co8tw/Coax_Calculator.htm

73,

Mark
W7MLG

On Tue, Aug 20, 2019, 12:19 PM Carter Craigie <carterwc128 at gmail.com> wrote:

> Hello friends,
>
> I am contemplating buying a KPA500 amplifier/tuner Combo, and driving it
> from my Elecraft K2/100 rig. I hope I would be able to do that!
>
>  From what I have read on eHam Reviews, it appears that I can run the
> amp/tuner combo on 117v. from the convenient wall socket. Is that correct,
> as well?
>
> I cannot find any mention of the coax requirements, from the radio/combo
> out to our 80-meter wire loop antenna. Right now, using only my K2/100 I am
> able to use  8X coax.
>
> Will I still be able to use that coax cable with up to 500 Watts output?
>
> What other considerations do I need to make?
>
> Thanks in advance,
>
> Carter Craigie, N3AO
> Blacksburg, VA
>
>
> --
> Carter, N3AO
> Blacksburg, VA
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