http://elecraft.85.s1.nabble.com/KX-1-MP-1-SWR-limits-tp371912p371917.html
than a MFJ-259 and works great for tuning the MP-1. I took mine to
France along with my K2 last spring. Airport security didn't say a
> My KX1 has 30m and the ATU. Works way more than great, if there is such
> a term.. We're signed up for a trip thru the Canal in the spring
> (reason #1 for the KX1), and I have acquired what I think is a homebrew
> version of the MP-1 or sort of. N6QYS loaned me his real MP-1, and it
> looks pretty much the same and works (electrically) the same.
>
> I've been using my MFJ-259B to pre-tune the antenna (with the goal of
> having the inductor settings marked so I don't have to take the 259 and
> try to explain that at the security checkpoint in the airports!), and
> then count on the KX1 tuner to handle the rest. So far, on 40m and 30m
> seem to come out OK. On 20, with the pre-sets I've been using, the best
> I can get is about 3:1 according to the KX1 after the ATU relays quit.
>
> Questions:
>
> 1. Any ideas on what is an "acceptable" (in terms of actually being
> able to work someone) SWR for the KX1?
>
> 2. As with all antennas, I can tune the antenna for a variety of
> resistances and reactances. I've been shooting for an impedance
> magnitude of around 50 ohms. Possibly some combination of R and X is
> more optimum?
>
> It's getting a bit chilly here in N. Cal. to spend time on the deck
> using trial and error (MN folks get one, and only one, joke apiece
> regarding "chilly") and I was hoping for some accumulated knowlege that
> will save me from the cold.
>
> 73,
>
> Fred K6DGW
> Auburn CA CM98lw
>
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