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So here s the thing. Where r is the radius of the earth we will use 3959 miles d is our distance and δ which is our unknown quantity the drop height so we can put these into the equation as follows. Is The 8 Inch Per Mile Curvature Rule Valid For Long Distances The eight inches per square mile …

Accuracy looks to be within 1 inch until about 22 or 23 miles. The 8 inches per mile squared is actually correct for up to around 100 miles. Earth Curvature Refraction Experiments Debunking Flat Concave You can find me on twitter at. 8 inches per mile squared chart . One thing you hear flat ear…