COMPD_CS["RGNC15 (lon-lat) + NGNC08 height",GEOGCS["RGNC15 (lon-lat)",DATUM["Reseau_Geodesique_de_Nouvelle_Caledonie_2015",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1357"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10312"]],VERT_CS["NGNC08 height",VERT_DATUM["Nivellement General de Nouvelle Caledonie 2008",2005,AUTHORITY["EPSG","1255"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9351"]],AUTHORITY["EPSG","10318"]]