PROJCS["Mercator_1SP",
    GEOGCS["GCS_Geographic Coordinate System",
        DATUM["D_WGS_1984_MAJOR_AUXILIARY_SPHERE",
            SPHEROID["Sphere_Radius_6378137_m",6378137,0]],
        PRIMEM["Greenwich",0],
        UNIT["Degree",0.017453292519943295]],
    PROJECTION["Mercator"],
    PARAMETER["central_meridian",0],
    PARAMETER["standard_parallel_1",0],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["Meter",1]]