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Re: [TowerTalk] Basic Help Needed

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Basic Help Needed
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Wed, 24 Aug 2011 08:39:32 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On 8/24/2011 8:17 AM, Jim Hoge wrote:
> You have missed two issues with pushup masts. The are not designed to carry 
> the
> topload weight nor will the clamps tolerate the torque load of a tribander and
> rotator. All is not lost though. You can use the mast as support for wire
> antennas and/or a vhf/uhf antenna.

That's all relative.  About two years ago, my neighbor loaned me a 
four-section push-up to use for building and testing mono-banders for 
15M and 10M.  We lashed it to a deck about 30 ft from my shack, extended 
it to about 20 ft, guyed it at two levels, and added a small rotor. We 
built and tested the 4-el 15M beam first, then took it down and built 
and tested the 4-el 10M beam.  That 10M beam has been there for two 
years, and I plan to leave it therel. I'm building a tower for the 15M 
beam.  No, I wouldn't use it long term for something as big as that 15M 
yagi.

73, Jim K9YC
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