1 year 7 months ago #22 by Steve Engelhardt
Currently directed to a Joomla Site with Michael Kahnke's 2015 Autocad Chart, A downloadable excel file using the formula from his chart X=3959-(3959*(COS(ASIN(L/3959)))) , and Rowbatham's simple formula "Miles distance x Miles Distance x 8 and divided by 12 for the drop in curvature in feet. Rowbatham Method Example - your looking at an object 25 miles away. (25 x 25 x 8) / 12 = 416.7 feet. Rowbatham's formula is only valid out to 1,000 miles.

The goal is to get a functional online calculator in the near future - You Can Edit Every Page!

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