MGI / Austria M31 31285 MGI 4312 ellipsoidal 6402 Geodetic latitude 9901 Lat north Geodetic longitude 9902 Lon east Militar_Geographische_Institute 6312 Greenwich 8901 0 Bessel 1841 7004 6377397.155 299.1528128 0 13.33333333333333 1 450000 0 Cartesian 4400 Easting 9906 E east Northing 9907 N north