VERT_CS["GDA2020",
    VERT_DATUM["GDA2020",2002,
        AUTHORITY["ESRI","from_geogdatum_EPSG_1168"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Ellipsoidal height",UP],
    AUTHORITY["ESRI","115805"]]