You can match both 160 and 80 with a single “modified” L-Network. It would
have three components rather than just two. There would be no switching
required moving from 160 to 80.
But, you’d likely need TWO of these networks — one for the bottom end of the
bands and one for the top end of the bands. With remote switching to flip
between them.
For an example of the modified L-Net that covers both 160 and 80 (without
switching) see:
http://www.w7kf.com/Articles/Rigs/SkyHook2.html
Of course, you could get a BIG edge wound variable inductor and a vacuum
variable capacitor and a couple of motors and stuff and have at it!
73,
Doug, W7KF
On Sep 14, 2014, at 7:45 AM, Gary Marks <gmarks@neo.rr.com> wrote:
> I have an Inverted-L antenna for 80M & 160M and would like to make or buy a
> remote matching system that would work on both ends of both bands that would
> accept full power.
> I built a system many years ago from a Doug DeMaw, W1FB, article in the May
> 1985 issue of QST but it has never worked as well as I wanted for whatever
> reason.
> If anyone is interested, this article can be found at the ARRL QST archives
> http://www.arrl.org/arrl-periodicals-archive-search by entering W1FB , 1985,
> May, QST.
>
> Anyone have an idea of a matching system that would do all of the above ?
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