Re: [TowerTalk] HELP!!!!!!!!!!!

[Jim Smith <jimsmith@shaw.ca>]

ARRL Antenna book shows how to determine whether a contemplated system 
will or will not overload a tower with a given top-of-the-tower wind 
load area rating.  It is my understanding that the method described 
doesn't apply to loads below the top guys in a guyed tower system.

Recommended reading: 
http://yagistress.freeyellow.com/K7NV/Notes/WindLoad.html

73 de Jim Smith    VE7FO 

Phil - KB9CRY wrote:

> 2.  Trylon or AN Wireless self supporters are quite nice but....
> Most hams I know overload their towers.  The specs from the 
> manufacturers rate their loadings using a single point source antenna 
> located 1 foot above the top of the tower.  If you're going to stack 
> these antennas on a single mast or even side mount them, I'd seriously 
> consider solicting the help of a structural engineer who can calculate 
> what tower to purchase. 



_______________________________________________

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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