10644=COMPD_CS["BES2020 Saba + Saba height",GEOGCS["BES2020 Saba",DATUM["BES2020_Saba",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1380"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10639"]],VERT_CS["Saba height",VERT_DATUM["Saba Vertical Datum",2005,AUTHORITY["EPSG","1381"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","10642"]],AUTHORITY["EPSG","10644"]]