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Re: [TowerTalk] Low loop in a sloping configuration

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Low loop in a sloping configuration
From: David Gilbert <xdavid@cis-broadband.com>
Date: Sun, 28 Dec 2014 00:30:12 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>

I'm curious what you desire to achieve from such an antenna. It's not likely to be an improvement over what you already have.

A few years ago, before I was able to put up my current tower and yagis, I suspended a 40m diamond-shaped loop from a 55 foot tall pole ... sloped toward Europe from here in Arizona and fed at the bottom apex. It worked OK, mostly because I live on a steep hillside facing Europe, but in my opinion it didn't offer anything special other than it was also possible to use it on other bands with a decent tuner. Keep in mind that unless you feed it at one side for vertical polarization that half your current distribution is going to be pretty close to the ground.

In my opinion, you'd be better off stringing an Inverted-V from the top of your tower if you want something horizontally polarized to complement your existing verticals.

73,
Dave   AB7E




On 12/27/2014 8:02 PM, Rudy Bakalov via TowerTalk wrote:
I am trying to use my 95' tower for as many different antennas as possible. One 
of my current thoughts is to suspend/feed a full size 80m loop from the top and 
have it slope toward EU. I was wondering if anyone has tried this before and 
can offer some first hand experience or can offer some educated guesses (or 
even EZNEC analysis) on the expected performance. This would not be the only 
80m antenna, it will supplement full size a 4SQ and short verticals RX antennas.
Thanks!

Rudy N2WQ
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