Topband: W8ji ATR-10 design 160M?

[Kenneth Grimm]

On Thu, Oct 17, 2013 at 10:04 AM, Jim GM <jim.gmforum at gmail.com> wrote:

> <snip>
>
> These transmatches these days T matches just do not have the balls for 160M
> running power.  I melted down a MFJ 998RT arced plates on an MFJ 989B
> melted down a 25uH Millen coil, arced wire burned up insulation all with
> 500 watts :-) I tried different configurations.  Short 99 foot inverted L
> does give me a challenge. 0.175 plate spacing arcs over. 0.25 spacing on
> caps is needed or vacuums variables which are not in my budget.
>
> Capacitor L match ARC over. Vacuums variables or open air variable caps
> with 0.25 inch spacing is needed for 300 watts or better.
>
> Inductive L match has heat and at times enough heat to melt spacers on a
> Millen coil.
>
> Who makes a tuner that can take this abuse?
>
> --
> Jim K9TF
>
>
The PalStar AT5K has withstood all the abuse that I've been able to muster
on 160 mx.

73,
-- 
Ken - K4XL
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