If you get some answers directly sent to you, I'd sure like to see what
they have to say about this. Thinking of doing something like this with a
40 meter delta loop. 73
Tom W7WHY
On Mon, Sep 21, 2015 at 6:25 PM, Dick Allardyce (N4RA) via TowerTalk <
towertalk@contesting.com> wrote:
>
> Hi all,
>
>
> I need some advice about a wire antenna for 80 meters. I have two 85'
> towers that support a nearly-square80 meter full-wave loop broadside to EU.
> It fits nicely, but the bottom is only about 10' off the ground. It's fed
> in the center of one vertical sidewith a 1/4 wave of RG/11. It works well.
> I'd like to hear of opinions or experience with adding awire parasitic
> element at this low height. Specifically, I'd like to add a half-wave wire
> yagi element spaced about .15WL that would be switchableto 3 different
> lengths: phone director, CW reflector or phone ref/CW dir. I change the
> physical size of the loop for CWor phone. I'd like to remotely
> switchdirection (and mode) of the resulting antenna by changing the length
> of theyagi element.
> Any opinion as to the usefulness of a parasitic element ofthis design with
> the whole thing so near ground? The yagi element will probably only be
> about30' in the air. I don't expect 2 elementperformance, but I don't want
> to bother if someone already knows it would be awaste of time.
>
> 73
> Dick
> N4RA
>
>
>
>
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