GEOGCS["Unspecified datum based upon the GRS 1980 Authalic Sphere (deprecated)",
    DATUM["Not_specified_based_on_GRS_1980_Authalic_Sphere",
        SPHEROID["GRS 1980 Authalic Sphere",6371007,0,
            AUTHORITY["EPSG","7048"]],
        AUTHORITY["EPSG","6047"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4047"]]