COMPD_CS["ETRS89-BEL [BEREF2011] + Ostend height",GEOGCS["ETRS89-BEL [BEREF2011]",DATUM["Belgian_Reference_Frame_2011",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1447"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","11215"]],VERT_CS["Ostend height",VERT_DATUM["Ostend",2005,AUTHORITY["EPSG","5110"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5710"]],AUTHORITY["EPSG","9907"]]