GEOGCS["AGD84", DATUM["Australian_Geodetic_Datum_1984", SPHEROID["Australian National Spheroid",6378160,298.25], EXTENSION["PROJ4_GRIDS","National 84 (02.07.01).gsb"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4203"]]