NAD83(NSRS2007) / Arizona Central (ft) Custom NAD83 (National Spatial Reference System 2007) Custom ellipsoidal 6402 Geodetic latitude 9901 Lat north Geodetic longitude 9902 Lon east NAD83 (National Spatial Reference System 2007) Custom Greenwich 0 GRS_1980 Custom 6378137.0 298.257222101 31.5 -110.75 1.000155 152400.3048006096 0 Cartesian 4400 Easting 9906 E east Northing 9907 N north