VERT_CS["IGb08",
    VERT_DATUM["IGb08",2002,
        AUTHORITY["ESRI","from_geogdatum_EPSG_1248"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Ellipsoidal height",UP],
    AUTHORITY["ESRI","115871"]]