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Re: [TowerTalk] about four square antenna

To: "reflector -tower" <towertalk@contesting.com>
Subject: Re: [TowerTalk] about four square antenna
From: "David Robbins K1TTT" <k1ttt@arrl.net>
Date: Fri, 4 Mar 2005 19:45:14 -0000
List-post: <mailto:towertalk@contesting.com>
You would have to provide a schematic, there are many different matching
network designs and the formulas would be specific for the network you are
using.


David Robbins K1TTT
e-mail: mailto:k1ttt@arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: towertalk-bounces@contesting.com [mailto:towertalk-
> bounces@contesting.com] On Behalf Of wghsend@sohu.com
> Sent: Tuesday, March 01, 2005 12:42
> To: towertalk@contesting.com
> Subject: [TowerTalk] about four square antenna
> 
> 
> i want to ask one question about four square antenna.
> 
> the reactance of the series element of the L network Xs=Zcoax^2 and the
> reactance of the parallel element of the L network Xp=Zcoax^2/(X1-
> R1).Zcoax is characteristic impedance of the quarter-wave feed lines.
> why use the two formulas? and how to get the two formulas?
> 
> thanks!

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