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[TowerTalk] Horizontal Pol Quad; Square or Diamond?

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Subject: [TowerTalk] Horizontal Pol Quad; Square or Diamond?
From: "Mark Holzbach" <>
Date: Mon, 21 Jun 2004 09:15:46 -0400
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I have modeled both configurations and there is very little difference using 4 
element models.  I have built and used both configurations and have been happy 
with their performance.  Physical durability of each seems equal here in PA.  

I currently have a 5 band,  4 -element quad up at 54'  which uses "box" 
elements for all but the ten meter driven.  The ten meter driven element is a 
diamond located between the 10-12-15-17-20 reflector and the driven elements 
for 12-15-17-20 this allows two benefits.  

On ten meters this allows 3 directors for a total 5 elements.  
I use "spreader feed" for the ten meter diamond allowing me to switch between 
Hor. and Vert. 

This is especially handy as many local 10 meters " ragchewers" use surplus 11 
meter verticals.  Here in western Pennsylvania we have a long standing ten 
meter club known as the Breezeshooters of which I am a member.  The 
Breezeshooters meet each Monday night at 9:00 EST on 28.480.  All are welcome 
to join.  There is no membership fee and you will get a nice certificate.  

We are perhaps best known for our annual Hamfest which is very well attended.  
It was on June 6th of this year.   We consistantly have one of the best prize 
lists in the country!  Check us out at

Mark K3FY

See:  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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