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The equation may be written in either of two common formats:
h = horizon (in statute miles)
a = altitude (in feet)
h = sqrt (2*a)
or
h = 1.414 * (sqrt (a))
If we are ballparking instead of surveying, we generally drop it to 1.4.
Jim
"john smith" <johnsmith@net.net> wrote in message
news:4605fb1e$0$24767$4c368faf@roadrunner.com...
> In article <RrmNh.17364$Jl.16487@newsread3.news.pas.earthlink.net>,
> cavelamb himself <cavelamb@earthlink.net> wrote:
horizon
>> > (in miles) is equal to 1.4 times (sqrt (altitude in feet))
>> 1.4 Jim??
>>
>> Thought it was 1.17.
>
> Square root of 2 = 1.414
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Re: theoretical radio range....
