Well Known Text
 
WKT Version 2
COMPOUNDCRS["RGAF09 + IGN 1988 MG height",GEOGCRS["RGAF09",DATUM["Reseau Geodesique des Antilles Francaises 2009",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ID["EPSG",1073]],CS[ellipsoidal,2,ID["EPSG",6422]],AXIS["Geodetic latitude (Lat)",north],AXIS["Geodetic longitude (Lon)",east],ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",5489]],VERTCRS["IGN 1988 MG height",VDATUM["IGN 1988 MG",ID["EPSG",5211]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],GEOIDMODEL["RRAF 1991 to IGN 1988 MG height (1)",ID["EPSG",4563]],GEOIDMODEL["RGAF09 to IGN 1988 MG height (1)",ID["EPSG",5504]],GEOIDMODEL["RGAF09 to IGN 1988 MG height (2)",ID["EPSG",9135]],ID["EPSG",5617]],ID["EPSG",9533]]


