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[Towertalk] Force 12 needs to do more homework

To: <towertalk@contesting.com>
Subject: [Towertalk] Force 12 needs to do more homework
From: K7LXC@aol.com (K7LXC@aol.com)
Date: Thu, 9 May 2002 09:42:01 EDT
In a message dated 5/9/02 6:06:56 AM Pacific Daylight Time, RLVZ@aol.com 
writes:

> Force 12 needs to do more homework.  It should not be necessary for the 
>  consumer to have to do all this work (take the antenna down and modify it 
>  several times) to make a mass produced factory built F12 work properly. 
    
    Designing a FB multi-band antenna is a challenging exercise - you change 
one parameter and it changes everything else. It also creates an antenna 
that's sensitive to installation-specific influences; i.e. guy wires, nearby 
antennas, buildings, etc. Accounting for ALL permutations of installation 
scenarios is impossible. 

    EVERYTHING in the antenna and support structure is some sort of 
compromise so it's not uncommon to have make some sort of field adjustments 
get everything to play optimally. 

    Actually the antennas aren't "mass produced". They're built one-at-a-time 
when they get an order. If they were mass produced, Force 12 would have a 
better delivery reputation than they have. 

Cheers,
Steve    K7LXC
TOWER TECH -
Professional tower services for commercial and amateur 

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