COMPOUNDCRS["ETRS89 + BI height",
    GEOGCRS["ETRS89",
        ENSEMBLE["European Terrestrial Reference System 1989 ensemble",
            MEMBER["European Terrestrial Reference Frame 1989"],
            MEMBER["European Terrestrial Reference Frame 1990"],
            MEMBER["European Terrestrial Reference Frame 1991"],
            MEMBER["European Terrestrial Reference Frame 1992"],
            MEMBER["European Terrestrial Reference Frame 1993"],
            MEMBER["European Terrestrial Reference Frame 1994"],
            MEMBER["European Terrestrial Reference Frame 1996"],
            MEMBER["European Terrestrial Reference Frame 1997"],
            MEMBER["European Terrestrial Reference Frame 2000"],
            MEMBER["European Terrestrial Reference Frame 2005"],
            MEMBER["European Terrestrial Reference Frame 2014"],
            MEMBER["European Terrestrial Reference Frame 2020"],
            MEMBER["ETRS89-DNK"],
            MEMBER["Estonia 1997"],
            MEMBER["Albanian Geodetic Reference Frame 2010"],
            MEMBER["ETRS89-ALB [CORS]"],
            MEMBER["ETRS89-AUT [2002]"],
            MEMBER["Belgian Reference Frame 2002"],
            MEMBER["Belgian Reference Frame 2011"],
            MEMBER["BH_ETRS89"],
            MEMBER["Bulgaria Geodetic System 2005"],
            MEMBER["Croatian Terrestrial Reference System 1996"],
            MEMBER["AGRS2010 (ETRF2000)"],
            MEMBER["CROPOS"],
            MEMBER["ETRF2000 Poland"],
            MEMBER["ETRS89/DREF91 Realization 2016"],
            MEMBER["ETRS89/DREF91 Realization 2025"],
            MEMBER["ETRS89-CZE [2007]"],
            MEMBER["ETRS89-ESP [REGENTE]"],
            MEMBER["ETRS89-ESP [ERGNSS]"],
            MEMBER["ETRS89-FRO [2008]"],
            MEMBER["ETRS89-GRC [HTRS07]"],
            MEMBER["ETRS89-HUN [ETRF2000]"],
            MEMBER["ETRS89-IRE [ETRF2000]"],
            MEMBER["ETRS89-MKD [EUREF-MAK2010]"],
            MEMBER["ETRS89-NOR [EUREF89]"],
            MEMBER["ETRS89-PRT [1995]"],
            MEMBER["ETRS89-ROU [ETRF2000]"],
            MEMBER["ETRS89-SVK [SKTRF09]"],
            MEMBER["ETRS89-SVK [SKTRF2022]"],
            MEMBER["EUREF-FIN"],
            MEMBER["Istituto Geografico Militaire 1995"],
            MEMBER["Kosovo Reference System 2001"],
            MEMBER["Latvian geodetic coordinate system 1992"],
            MEMBER["Latvian coordinate system 2020"],
            MEMBER["Lithuania 1994 (ETRS89)"],
            MEMBER["MOLDREF99"],
            MEMBER["OSNet v2009"],
            MEMBER["Reseau Geodesique Francais 1993 v1"],
            MEMBER["Reseau Geodesique Francais 1993 v2"],
            MEMBER["Reseau Geodesique Francais 1993 v2b"],
            MEMBER["Rete Dinamica Nazionale 2008"],
            MEMBER["Serbian Reference Network 1998"],
            MEMBER["Serbian Spatial Reference System 2000"],
            MEMBER["Slovenia Geodetic Datum 1996"],
            MEMBER["SWEREF 99"],
            MEMBER["Swiss Terrestrial Reference Frame 1995"],
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]],
            ENSEMBLEACCURACY[0.1]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        CS[ellipsoidal,2],
            AXIS["geodetic latitude (Lat)",north,
                ORDER[1],
                ANGLEUNIT["degree",0.0174532925199433]],
            AXIS["geodetic longitude (Lon)",east,
                ORDER[2],
                ANGLEUNIT["degree",0.0174532925199433]]],
    VERTCRS["BI height",
        ENSEMBLE["British Isles height ensemble",
            MEMBER["Malin Head"],
            MEMBER["Belfast Lough"],
            MEMBER["Ordnance Datum Newlyn"],
            MEMBER["Ordnance Datum Newlyn (Offshore)"],
            MEMBER["Ordnance Datum Newlyn (Orkney Isles)"],
            MEMBER["Lerwick"],
            MEMBER["Stornoway"],
            MEMBER["Douglas"],
            MEMBER["St. Marys"],
            ENSEMBLEACCURACY[0.4]],
        CS[vertical,1],
            AXIS["gravity-related height (H)",up,
                LENGTHUNIT["metre",1]]],
    USAGE[
        SCOPE["Spatial referencing."],
        AREA["United Kingdom (UK) - offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E; onshore Great Britain (England, Wales and Scotland) and Northern Ireland. Ireland onshore. Isle of Man onshore."],
        BBOX[49.75,-10.85,61.01,2.01]],
    ID["EPSG",9452]]