[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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