EPSG:9374 — MML07 Grid + ODN height

COMPOUNDCRS[
    "MML07 Grid + ODN height",
    PROJCRS[
        "MML07 Grid",
        BASEGEOGCRS[
            "MML07-IRF",
            DATUM[
                "MML07 Intermediate Reference Frame",
                ELLIPSOID[
                    "GRS 1980",
                    6378137,
                    298.257222101,
                    LENGTHUNIT["metre",1,ID["EPSG",9001]],
                    ID["EPSG",7019]
                ],
                ID["EPSG",1271]
            ],
            DEFININGTRANSFORMATION[
                "ETRS89-GBR [OSNet v2009] to MML07-IRF (1)",
                ID["EPSG",9369]
            ],
            ID["EPSG",9372]
        ],
        CONVERSION[
            "MML07-TM",
            METHOD["Transverse Mercator",ID["EPSG",9807]],
            PARAMETER[
                "Latitude of natural origin",
                52.4500000000003,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8801]
            ],
            PARAMETER[
                "Longitude of natural origin",
                -0.85000000000028,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8802]
            ],
            PARAMETER[
                "Scale factor at natural origin",
                1,
                SCALEUNIT["unity",1,ID["EPSG",9201]],
                ID["EPSG",8805]
            ],
            PARAMETER[
                "False easting",
                49350.157,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8806]
            ],
            PARAMETER[
                "False northing",
                108398.212,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8807]
            ],
            ID["EPSG",9370]
        ],
        CS[Cartesian,2,ID["EPSG",4400]],
        AXIS["Easting (E)",east],
        AXIS["Northing (N)",north],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        ID["EPSG",9373]
    ],
    VERTCRS[
        "ODN height",
        VDATUM["Ordnance Datum Newlyn",ID["EPSG",5101]],
        CS[vertical,1,ID["EPSG",6499]],
        AXIS["Gravity-related height (H)",up],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        GEOIDMODEL["ETRS89-GBR [OSNet v2009] to ODN height (2)",ID["EPSG",7711]],
        GEOIDMODEL["ETRS89 to ODN height (1)",ID["EPSG",10021]],
        ID["EPSG",5701]
    ],
    ID["EPSG",9374]
]

+proj=tmerc +lat_0=52.45 +lon_0=-0.85 +k=1 +x_0=49350.157 +y_0=108398.212 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs

proj4.defs("EPSG:9374", "+proj=tmerc +lat_0=52.45 +lon_0=-0.85 +k=1 +x_0=49350.157 +y_0=108398.212 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 9374,
  "name": "MML07 Grid + ODN height",
  "kind": "compound",
  "area": "UK - London to Sheffield",
  "unit": null,
  "bbox": [
    51.46,
    -1.89,
    53.42,
    0.16
  ],
  "proj4": "+proj=tmerc +lat_0=52.45 +lon_0=-0.85 +k=1 +x_0=49350.157 +y_0=108398.212 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9374, 'EPSG', 9374, '+proj=tmerc +lat_0=52.45 +lon_0=-0.85 +k=1 +x_0=49350.157 +y_0=108398.212 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["MML07 Grid + ODN height",PROJCS["MML07 Grid",GEOGCS["MML07-IRF",DATUM["MML07_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1271"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9372"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",52.45],PARAMETER["central_meridian",-0.85],PARAMETER["scale_factor",1],PARAMETER["false_easting",49350.157],PARAMETER["false_northing",108398.212],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9373"]],VERT_CS["ODN height",VERT_DATUM["Ordnance Datum Newlyn",2005,AUTHORITY["EPSG","5101"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5701"]],AUTHORITY["EPSG","9374"]]');

PROJECTION
  "+proj=tmerc"
  "+lat_0=52.45"
  "+lon_0=-0.85"
  "+k=1"
  "+x_0=49350.157"
  "+y_0=108398.212"
  "+ellps=GRS80"
  "+units=m"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

9374=COMPD_CS["MML07 Grid + ODN height",PROJCS["MML07 Grid",GEOGCS["MML07-IRF",DATUM["MML07_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1271"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9372"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",52.45],PARAMETER["central_meridian",-0.85],PARAMETER["scale_factor",1],PARAMETER["false_easting",49350.157],PARAMETER["false_northing",108398.212],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9373"]],VERT_CS["ODN height",VERT_DATUM["Ordnance Datum Newlyn",2005,AUTHORITY["EPSG","5101"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5701"]],AUTHORITY["EPSG","9374"]]