VERT_CS["ONGD17",
    VERT_DATUM["Oman_National_Geodetic_Datum_2017",2002,
        AUTHORITY["ESRI","from_geogdatum_ESRI_106027"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Ellipsoidal height",UP],
    AUTHORITY["ESRI","115847"]]