GEOGCS["ATS77",DATUM["Average_Terrestrial_System_1977",SPHEROID["Average Terrestrial System 1977",6378135,298.257],EXTENSION["PROJ4_GRIDS","PE7783V2.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4122"]]