[TowerTalk] Matching network for wire antenna needed

[Joe Subich, W4TV]

 > 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.

You might get lucky and be able to bring SWR on the high end of the
bands down to a reasonable value just by tapping down on the antenna
end of the coil (reducing the L).  It will not be "perfect" but
likely enough to get below 1.5:1.

73,

    ... Joe, W4TV


On 2014-09-14 5:47 PM, Doug Smith wrote:
> 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 at 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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