VERT_CS["SHGD2015",
    VERT_DATUM["St_Helena_Geodetic_Datum_2015",2002,
        AUTHORITY["ESRI","from_geogdatum_EPSG_1174"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Ellipsoidal height",UP],
    AUTHORITY["ESRI","115811"]]