lssndrbarbieri@gmail.com
Alessandro Barbieri
https://sourceforge.net/p/geographiclib/bugs/
geographiclib
GeographicLib is a small set of C++ classes for converting between geographic, UTM, UPS, MGRS, and geocentric coordinates, for gravity (e.g., EGM2008), geoid, and geomagnetic field (e.g., WMM2010) calculations, and for solving geodesic problems.