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[TowerTalk] ma 550 windload vs. Mast Height

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Subject: [TowerTalk] ma 550 windload vs. Mast Height
From: (Jim Smith)
Date: Tue Aug 19 23:09:02 2003
ARRL Antenna Handbook, 19th Ed., pp 22-19/22-20 appear to deal with this 

73 de Jim Smith    VE7FO

Jim Jarvis wrote:

>US Tower rates the MA550 based on windload present
>1' above the top of the tower.  Windload derating is
>necessary, as mast height is added above the tower 
>Are there any structural guys on this reflector who would care to
>wade into analysis on what happens if the load is 5' or 10'
>above the top of the tower?
>Jim N2EA
>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.
>TowerTalk mailing list

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