EPSG:6171 — ETRS89-NOR [EUREF89] / UTM zone 31N + NN54 height

COMPOUNDCRS[
    "ETRS89-NOR [EUREF89] / UTM zone 31N + NN54 height",
    PROJCRS[
        "ETRS89-NOR [EUREF89] / UTM zone 31N",
        BASEGEOGCRS[
            "ETRS89-NOR [EUREF89]",
            DATUM[
                "ETRS89-NOR [EUREF89]",
                ELLIPSOID[
                    "GRS 1980",
                    6378137,
                    298.257222101,
                    LENGTHUNIT["metre",1,ID["EPSG",9001]],
                    ID["EPSG",7019]
                ],
                ANCHOREPOCH[1995],
                ID["EPSG",1407]
            ],
            ID["EPSG",10875]
        ],
        CONVERSION[
            "UTM zone 31N",
            METHOD["Transverse Mercator",ID["EPSG",9807]],
            PARAMETER[
                "Latitude of natural origin",
                0,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8801]
            ],
            PARAMETER[
                "Longitude of natural origin",
                3,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8802]
            ],
            PARAMETER[
                "Scale factor at natural origin",
                0.9996,
                SCALEUNIT["unity",1,ID["EPSG",9201]],
                ID["EPSG",8805]
            ],
            PARAMETER[
                "False easting",
                500000,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8806]
            ],
            PARAMETER[
                "False northing",
                0,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8807]
            ],
            ID["EPSG",16031]
        ],
        CS[Cartesian,2,ID["EPSG",4400]],
        AXIS["Easting (E)",east],
        AXIS["Northing (N)",north],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        ID["EPSG",11021]
    ],
    VERTCRS[
        "NN54 height",
        VDATUM["Norway Normal Null 1954",ID["EPSG",5174]],
        CS[vertical,1,ID["EPSG",6499]],
        AXIS["Gravity-related height (H)",up],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        ID["EPSG",5776]
    ],
    ID["EPSG",6171]
]

+proj=utm +zone=31 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs

proj4.defs("EPSG:6171", "+proj=utm +zone=31 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 6171,
  "name": "ETRS89-NOR [EUREF89] / UTM zone 31N + NN54 height",
  "kind": "compound",
  "area": "Norway - onshore - west of 6°E",
  "unit": null,
  "bbox": [
    58.32,
    4.39,
    62.64,
    6.01
  ],
  "proj4": "+proj=utm +zone=31 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6171, 'EPSG', 6171, '+proj=utm +zone=31 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["ETRS89 / UTM zone 31N + NN54 height",PROJCS["ETRS89 / UTM zone 31N",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",3],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","25831"]],VERT_CS["NN54 height",VERT_DATUM["Norway Normal Null 1954",2005,AUTHORITY["EPSG","5174"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5776"]],AUTHORITY["EPSG","6171"]]');

PROJECTION
  "+proj=utm"
  "+zone=31"
  "+ellps=GRS80"
  "+units=m"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

6171=COMPD_CS["ETRS89 / UTM zone 31N + NN54 height",PROJCS["ETRS89 / UTM zone 31N",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",3],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","25831"]],VERT_CS["NN54 height",VERT_DATUM["Norway Normal Null 1954",2005,AUTHORITY["EPSG","5174"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5776"]],AUTHORITY["EPSG","6171"]]