EPSG:11120

COMPD_CS["ETRS89-FRO [2008] + FVR09 height",
    GEOGCS["ETRS89-FRO [2008]",
        DATUM["ETRS89-FRO_2008",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","1436"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","11087"]],
    VERT_CS["FVR09 height",
        VERT_DATUM["Faroe Islands Vertical Reference 2009",2005,
            AUTHORITY["EPSG","1059"]],
        UNIT["metre",1,
            AUTHORITY["EPSG","9001"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","5317"]],
    AUTHORITY["EPSG","11120"]]

COMPOUNDCRS["ETRS89-FRO [2008] + FVR09 height",
    GEOGCRS["ETRS89-FRO [2008]",
        DATUM["ETRS89-FRO [2008]",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]],
            ANCHOREPOCH[2008.75]],
        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["FVR09 height",
        VDATUM["Faroe Islands Vertical Reference 2009"],
        CS[vertical,1],
            AXIS["gravity-related height (H)",up,
                LENGTHUNIT["metre",1]]],
    USAGE[
        SCOPE["Reversible geoid model transformation."],
        AREA["Faroe Islands - onshore."],
        BBOX[61.33,-7.49,62.41,-6.33]],
    ID["EPSG",11120]]

GEOGCS["GCS_ETRS_1989",
    DATUM["D_ETRS_1989",
        SPHEROID["GRS_1980",6378137.0,298.257222101]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]],
VERTCS["FVR09_height",
    VDATUM["Faroe_Islands_Vertical_Reference_2009"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["Meter",1.0]]

proj4.defs("EPSG:11120","+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs");

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "CompoundCRS",
    "name": "ETRS89-FRO [2008] + FVR09 height",
    "components": [
        {
            "type": "GeographicCRS",
            "name": "ETRS89-FRO [2008]",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "ETRS89-FRO [2008]",
                "anchor_epoch": 2008.75,
                "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                }
            },
            "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                    {
                        "name": "Geodetic latitude",
                        "abbreviation": "Lat",
                        "direction": "north",
                        "unit": "degree"
                    },
                    {
                        "name": "Geodetic longitude",
                        "abbreviation": "Lon",
                        "direction": "east",
                        "unit": "degree"
                    }
                ]
            },
            "remarks": "Horizontal component of national realization of ETRS89 in the Faroe Islands."
        },
        {
            "type": "VerticalCRS",
            "name": "FVR09 height",
            "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Faroe Islands Vertical Reference 2009"
            },
            "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                    {
                        "name": "Gravity-related height",
                        "abbreviation": "H",
                        "direction": "up",
                        "unit": "metre"
                    }
                ]
            }
        }
    ],
    "scope": "Reversible geoid model transformation.",
    "area": "Faroe Islands - onshore.",
    "bbox": {
        "south_latitude": 61.33,
        "west_longitude": -7.49,
        "north_latitude": 62.41,
        "east_longitude": -6.33
    },
    "id": {
        "authority": "EPSG",
        "code": 11120
    }
}

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs">
	</Layer>
</Map>

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 11120, 'EPSG', 11120, '+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs', 'COMPD_CS["ETRS89-FRO [2008] + FVR09 height",GEOGCS["ETRS89-FRO [2008]",DATUM["ETRS89-FRO_2008",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1436"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","11087"]],VERT_CS["FVR09 height",VERT_DATUM["Faroe Islands Vertical Reference 2009",2005,AUTHORITY["EPSG","1059"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5317"]],AUTHORITY["EPSG","11120"]]');