VERT_CS["TGD2005",VERT_DATUM["D_Tonga_Geodetic_Datum_2005",2002,AUTHORITY["ESRI","from_geogdatum_EPSG_1095"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Ellipsoidal height",UP],AUTHORITY["ESRI","115799"]]