[Antennas] Re: Problem Installation

rabbit rbbtslyr at comporium.net
Fri Jul 28 07:58:51 EDT 2006


The only change I would make would be a three ground rods in a line from the
base for a good Lighting ground. My granddad drilled into me there is a
difference between a DC ground and a Static Ground.

Kirk KA4PXK
----- Original Message ----- 
From: "David Kelley" <dkelley at bucknell.edu>
To: <antennas at mailman.qth.net>
Sent: Friday, July 28, 2006 12:28 AM
Subject: [Antennas] Re: Problem Installation


> 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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