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Re: [TowerTalk] Improving the Dipole/Doublet

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Improving the Dipole/Doublet
From: "Tom Osborne" <w7why@verizon.net>
Date: Tue, 28 Jun 2005 18:25:17 -0700
List-post: <mailto:towertalk@contesting.com>
Using a good inverted L can help if you can't get the height.  Put us as 
much as you can vertical and the rest horizontal.  With radials, it makes a 
good DX antenna.
Tom W7WHY

> My suggestion is to throw a box of plant food around
> each tree in hopes they grow higher, and forget about
> improving the dipole.  Put up a vertical to buttress
> areas where the dipole is weak.
>
> There is very little you can do fiddling around with a
> couple of feet of height or length that's going to
> make a whit of difference.  You could improve the feed
> of what you describe, but even that isn't going to
> make much difference in the overall performance
> relative to what is lacking in the basic design of the
> antenna, namely take off angle.  It's nice if you have
> 150 ft trees, but most of us have 30-60 ft trees and
> you get 30-60ft performance plus or minus a DB or two.
>
> The radials are a bit of a pain but once they are in,
> they are in.  You don't need 120 radials, 20 to 30
> will do you just fine.
>
> 73  W9OY
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
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_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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