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Effect of altitude on wind loading

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Subject: Effect of altitude on wind loading
From: (Hank Kahrs)
Date: Mon, 23 Sep 1996 17:32:19 -0500
At 08:09 AM 9/23/96 -0700, you wrote:
>Are there any procedures available to adjust an antenna's windloading
>capacity based on elevation?
>It seems with lower air pressure (here in Denver 5280') an antenna might
>be able to withstand higher wind velocity than at sea level.
>Taken to an extreme (outer space) an antenna's windload capacity should be
>essentially infinite.
>Any references or thoughts?
>73 Dave WB0GAZ


Dynamic Pressure is equal to:


So look up the density of air at SL and at 5,000 ft.  There will be a
difference.  My books are all in the attic (I am retired!) so cant help you
with that.  

73, Hank/K2UVG
Retired Navy Fighter Pilot and Aero Engineer

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