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Re: [TowerTalk] What do do on 80 when height restricted?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] What do do on 80 when height restricted?
From: 'DGB' <ns9i2016@Bayland.net>
Date: Wed, 26 Oct 2016 10:59:34 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I'd like to make one for 40m, Guy.

What would be the nr. of turns on the Transformer?

I assume the FCP length would be just half the 80m version?

Thanks 73 Dwight NS9I


On 10/25/2016 10:59 PM, Guy Olinger K2AV wrote:
Just happened to trip over this thread looking elsewhere...Jim's post
snagged my Google. Thimble answer:

The length goes from 33 feet either side to 16.5 feet either side. The
spacing is still 4 inches between folds, elevation should still be 8-10
feet if you can get away with it, and fewer bifilar turns are needed on the
core of the isolation transformer, though the 160 version of this works
fine on 80.

Be happy to answer questions at this email.

73, Guy K2AV



On Tue, Oct 25, 2016 at 11:52 PM, Jim Brown <jim@audiosystemsgroup.com>
wrote:

On Tue,10/25/2016 8:33 PM, john@kk9a.com wrote:

That should work, it's probably no different than using a K2AV
counterpoise.

I agree that a K2AV FCP is a good idea. In essence, you want to divide
dimensions by 2 to go from 160M to 80M, but I suggest that you mail Guy
directly and ask him. Our check his website.

73, Jim K9YC




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