ED50_Mercator ED50 4230 ellipsoidal 6402 Geodetic latitude 9901 Lat north Geodetic longitude 9902 Lon east European_Datum_1950 6230 Greenwich 8901 0 International 1924 7022 6378388 297 Cartesian 4400 Easting 9906 E east Northing 9907 N north