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Re: [TowerTalk] Pre-Installation Tuning of Cushcraft TEN-3 Yagi

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Pre-Installation Tuning of Cushcraft TEN-3 Yagi
From: Jason Dugas <kb5urq@hotmail.com>
Date: Tue, 23 Sep 2008 14:10:36 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I just wanted to send an update on this thread.  I pulled this project out 
again and decided to TRASH the Cushcraft directions.  Maybe that procedure 
worked at Cushcraft headquarters, but in my back yard they were Horrible with a 
capitol "H".  One foot off the ground was not enough to get accurate 
measurements of SWR.
 
Instead, I mounted the antenna on top of a couple stacked 10 ft. poles (total 
20 ft).  This got the antenna up far enough so that atleast I felt the antenna 
tuner had a fighting chance of giving me some meaninful data.  Sure enough, the 
antenna tuned up quite well after some adjustments.
 
By digging a small hole in the yard, I was able to push the antenna up and let 
it down quickly (by myself) in order to make adjustments after each 
measurement.  Turns out I really had to push the shorting stub of the match out 
a ways in order to get my preferred band coverage of 28 - 28.6 MHz.
 
Now I'm ready to put the antenna up on the tower and get completely DIFFERENT 
results due to the tower and other antennas that will be near it. ;-)  I'm sure 
it'll be good enough for what I'm after though.JasonKB5URQ
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