[Antennas] Re: Problem Installation

David Kelley dkelley at bucknell.edu
Fri Jul 28 00:28:54 EDT 2006


Tony,

That's an impressive countries total on 160 with an inverted L!  Do you use that antenna for reception as well, or do you use a beverage, a pennant, or the like?

73,
Dave NB4J

At 01:06 PM 7/27/2006 -0400, you wrote:
>Run as much of the 195 feet of wire vertically up the tower, with a standoff 
>at the top of the tower and at the base.  The remaining part of the 195 feet 
>should be run away from the tower, preferably as level and straight as your 
>situation will permit.  Feed the bottom of the wire directly (no matching 
>network required) with the center of the coax.  Drive a ground rod at the 
>bottom/feed point as closely aligned with the vertical wire as possible, 
>anchor the inverted L wire but be sure it is insulated from ground, attach 
>the braid of the coax to the ground rod and if possible run 1 or 2 60+ foot 
>radials on the ground.  

...

>This setup should give you 160 and 80 without a problem and with a tuner, 
>I'm sure it will work on 30 too.  It will give you DX on the bands as well 
>as serve as a good antenna for working around the USA.  I've used this 
>antenna and it works!  I have roughly 150 countries on 160 and a like amount 
>on 80.  The more radials the better it plays...adding radials will not 
>significantly change the resonant point of the antenna but it will lower the 
>impedance.



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