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"]]