VERT_CS["DHHN92 height",
    VERT_DATUM["Deutsches Haupthoehennetz 1992",2005,
        AUTHORITY["EPSG","5181"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","5783"]]