VERT_CS["Guadeloupe 1988 height",
    VERT_DATUM["Guadeloupe 1988",2005,
        AUTHORITY["EPSG","5155"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","5757"]]