PROJCS["Proteus_Sinusoidal",
    GEOGCS["Proteus 2000",
        DATUM["D_Proteus_2000",
            SPHEROID["Proteus_2000_IAU_IAG",218000.0,12.823529411764705]],
        PRIMEM["Greenwich",0],
        UNIT["Decimal_Degree",0.0174532925199433]],
    PROJECTION["Sinusoidal"],
    PARAMETER["False_Easting",0],
    PARAMETER["False_Northing",0],
    PARAMETER["Central_Meridian",180],
    UNIT["Meter",1]]