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[TowerTalk] Model done for 4SQ supported by center tower

To: <towertalk@contesting.com>
Subject: [TowerTalk] Model done for 4SQ supported by center tower
From: "StellarCAT" <RXDesign@ssvecnet.com>
Date: Tue, 22 Mar 2005 19:56:29 -0700
List-post: <mailto:towertalk@contesting.com>
Alright .. .the consensus was to go with a 4SQ (over a dipole 
at 175'). The dipole actually shows more gain and a lower 
angle (with gain) than the 4SQ BUT - and it is a big one - it 
has a strong lobe that is straight up so the qrm would 
be obnoxious)... 

anyway... several have suggested to use a center tower to 
support (via ropes) 4 verticals. This would place the tower 
at the center. How does this interact with the 4 verticals? 
Has any one modeled this and/or is there anecdotal 
evidence it does or does not work?
Also I assume the ground plane (I was thinking of 6 
elevated radials per vertical at minimum 8' above ground) 
would have a "hole" around the tower and not connect to it - correct?

[this would also apply to the folded back dipole systems - 
do they "see" the tower in a detrimental way as well?]

 
_______________________________________________

See: http://www.mscomputer.com  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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