VERTCRS["REDNAP_height",
    VDATUM["Red_Espanola_de_Nivelacion_de_Alta_Precision"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Spain - mainland, Balearic Islands, Ceuta and Melila - onshore."],
        BBOX[35.26,-9.37,43.82,4.39]],
    ID["ESRI",105603]]