Prospect distance from the ground Calculator

Calculates the prospect distance from height at observer.

Prospect distance  from the ground
Observer
Height
    1. 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
    [0-0] / 0Disp-Num
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