a *rough* approximation is d=sqrt(2*h1)+sqrt(2*h2), where h1 and h1 are the
heights (in feet) of the two towers and d is the distance in miles. Would
need to be a bit less than that for true LOS.
At 11:57 2006-10-06, Merlin-7 KI4ILB wrote:
> I am looking for a way to figure out how high a tower needs to be to
> have a line of sight shot on another tower. In other words I need to know
> how high 2 antennas need to be, on different towers (VHF) in flat terrain
> to be able to make a link between the two.
>
>Does anyone know of a web site or such that has the formula to do
>that...better yet one I could plug the numbers into?
> Thanks
> Joe KI4ILB
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