COMPD_CS["PSHD93", GEOGCS["PSD93", DATUM["PDO_Survey_Datum_1993", SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465, AUTHORITY["EPSG","7012"]], AUTHORITY["EPSG","6134"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4134"]], VERT_CS["PHD93 height", VERT_DATUM["PDO Height Datum 1993",2005, AUTHORITY["EPSG","5123"]], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Gravity-related height",UP], AUTHORITY["EPSG","5724"]], AUTHORITY["EPSG","7410"]]