Prospect distance from the ground Calculator

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Calculates the prospect distance from height at observer.

Prospect distance from the ground
Observer
Height
    2. m
Prospect distance d
    1.  
    2. km
Area A
    1.  
    2. km2
Calculation assumes that the earth is a sphere with a radius of 6378km,
and that the atmospheric refraction increases the prospect distance by over 6 percent.
    Prospect distance from the ground
    [1-2] /2Disp-Num
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