COMPOUNDCRS["SHGD2015 + SHVD2015 height",GEOGCRS["SHGD2015",DATUM["St. Helena Geodetic Datum 2015",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]]],VERTCRS["SHVD2015 height",VDATUM["St. Helena Vertical Datum 2015"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Spatial referencing."],AREA["St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore."],BBOX[-16.08,-5.85,-15.85,-5.59]],ID["EPSG",9517]]