GEOGCS["Tanna geographiques (dms)",DATUM["TANNA BLOC SUD",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["IGNF","REG5250001"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["IGNF","TANNAG"]]