I use a 3 element spaced 53 ft between elements. I use vacuum relays to add or
subtract my cw jumper
Sent from my iPhone
> On Mar 31, 2017, at 11:10 AM, Ed Sawyer <sawyered@earthlink.net> wrote:
>
> Martin. I have a 2 el wire beam on a 36 ft boom. It is "kick a%&". What I
> did to solve that problem is dual drive the elements - 180 deg out of phase.
> Then just switch matching stubs at the bottom of the tower. It is only a
> few tenths of a dB lower in gain than an optimized 2 el Ref - DE
> arrangement. You can do all the tuning, switching at the feed point
> combiner at the bottom of the tower, and you have the advantage that it is
> bi-directional. From W1, that means it's a USA and EU antenna all at the
> same time.
>
>
>
> 73
>
>
>
> Ed N1UR
>
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