On Oct 9, 2007, at 8:21 PM, Bill Coleman wrote:
>
> On Oct 9, 2007, at 9:56 AM, ku8e at bellsouth.net wrote:
>
>> We have a 90 foot tower that holds the 40 meter yagi and a C3 above
>> it. The tower has a pully
>> system on it with a tram line. ... We can now use the tram system
>> to support some other type
>> of antenna.
>>
>> There is presently a 80 meter dipole at around 60 ft that is
>> broadside towards the USA. It works fine
>> for working W/VE along with our beverage. What I would like to do
>> is maybe have some type of
>> directional antenna pointed towards EU that could maybe be switched
>> to the Pacific when the band dies
>> to EU.
>
> It may be tough to do something really sophisticated with a single 90
> foot support.
Perhaps I was wrong.
Here's an NCJ article that has a number of interesting references.
Lots of good ideas here:
http://rudys.typepad.com/ant/files/antenna_array_single_support.pdf
Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr at arrl.net
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901
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