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Geodetic inverse solution between antipodal points

Vincenty, Thaddeus

The solution given in this paper supplements standard geodetic inverse methods which fail in antipodal situations. A modification of the proposed formula can be used for the solution around the back side of the ellipsoid in analogous cases.

Scanned by Charles Karney from the copy in R. H. Rapp's library at Ohio State University. The report is a work of the U.S. Government and so is in the public domain.
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