State Plane Projected coordinate system, North America Datum 1983 (NAD_1983_StatePlane_California_I_FIPS_0401) for California, using standard parallels 40.00000000 and 41.66666667. The latitude of origin is 39.3, the central meridian is -122.0 and the projection units are meters (False Easting: 200000 m; False Northing: 500000 m).