4689=GEOGCS["IGN63 Hiva Oa",DATUM["IGN63_Hiva_Oa",SPHEROID["International 1924",6378388,297],TOWGS84[410.793,54.542,80.501,-2.5596,-2.3517,-0.6594,17.3218]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4689"]]