9530=COMPD_CS["RGFG95 + NGG1977 height",GEOGCS["RGFG95",DATUM["Reseau_Geodesique_Francais_Guyane_1995",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6624"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4624"]],VERT_CS["NGG1977 height",VERT_DATUM["Nivellement General Guyanais 1977",2005,AUTHORITY["EPSG","5153"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5755"]],AUTHORITY["EPSG","9530"]]