GEOGCS["GRS 1980(IUGG, 1980)",
    DATUM["unknown",
        SPHEROID["GRS80",6378137,298.257222101],
        TOWGS84[2,2,-2,0,0,0,0]],
    PRIMEM["Greenwich",0],
    UNIT["degree",0.0174532925199433],
    AUTHORITY["epsg","7041"]]