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 dgf@netcom.com
Dave,
Dynamic Pressure is equal to:
((density)(velocity)^2)/2
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
k2uvg@nfds.net
Retired Navy Fighter Pilot and Aero Engineer
--
FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: K7LXC@contesting.com
Sponsored by Akorn Access, Inc & KM9P
|