PROJCS["LABORDES_BD500",
    GEOGCS["GCS_Tananarive_1925",
        DATUM["D_Tananarive_1925",
            SPHEROID["International_1924",6378388.0,297.0]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],
    PARAMETER["False_Easting",400000.0],
    PARAMETER["False_Northing",800000.0],
    PARAMETER["Scale_Factor",0.9995],
    PARAMETER["Azimuth",18.9],
    PARAMETER["Longitude_Of_Center",46.4372291666666],
    PARAMETER["Latitude_Of_Center",-18.9],
    UNIT["Meter",1.0]]