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Re: [TowerTalk] 20m yagi with dual-driven element

To: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Subject: Re: [TowerTalk] 20m yagi with dual-driven element
From: jimlux <jimlux@earthlink.net>
Reply-to: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Date: Sun, 28 Feb 2010 20:53:32 -0800
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Stein Roar Brobakken wrote:
> Hi
> 
> I have plans to make a 4 to 6 element yagi for 20 or 40m since I have pretty
> lot of aluminum tubes and parts in stock.
> 

Get yourself a copy of 4nec or eznec and model it.  NEC is really, 
really good at modeling Yagis. If you put in your dimensions, you'll be 
within tenths of a dB.


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