EPSG:9742 — EOS21 Grid + ODN height

Compound · UK - Tweedmouth to Aberdeen

Export Formats

OGC WKT

COMPD_CS[
    "EOS21 Grid + ODN height",
    PROJCS[
        "EOS21 Grid",
        GEOGCS[
            "EOS21-IRF",
            DATUM[
                "EOS21_Intermediate_Reference_Frame",
                SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
                AUTHORITY["EPSG","1308"]
            ],
            PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
            AUTHORITY["EPSG","9739"]
        ],
        PROJECTION["Transverse_Mercator"],
        PARAMETER["latitude_of_origin",56.35],
        PARAMETER["central_meridian",-2.75],
        PARAMETER["scale_factor",1],
        PARAMETER["false_easting",74996.927],
        PARAMETER["false_northing",133508.35],
        UNIT["metre",1,AUTHORITY["EPSG","9001"]],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH],
        AUTHORITY["EPSG","9741"]
    ],
    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","9742"]
]

WKT2

COMPOUNDCRS[
    "EOS21 Grid + ODN height",
    PROJCRS[
        "EOS21 Grid",
        BASEGEOGCRS[
            "EOS21-IRF",
            DATUM[
                "EOS21 Intermediate Reference Frame",
                ELLIPSOID[
                    "GRS 1980",
                    6378137,
                    298.257222101,
                    LENGTHUNIT["metre",1,ID["EPSG",9001]],
                    ID["EPSG",7019]
                ],
                ID["EPSG",1308]
            ],
            DEFININGTRANSFORMATION[
                "ETRS89-GBR [OSNet v2009] to EOS21-IRF (1)",
                ID["EPSG",9740]
            ],
            ID["EPSG",9739]
        ],
        CONVERSION[
            "EOS21-TM",
            METHOD["Transverse Mercator",ID["EPSG",9807]],
            PARAMETER[
                "Latitude of natural origin",
                56.3500000000003,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8801]
            ],
            PARAMETER[
                "Longitude of natural origin",
                -2.75000000000028,
                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",
                74996.927,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8806]
            ],
            PARAMETER[
                "False northing",
                133508.35,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8807]
            ],
            ID["EPSG",9738]
        ],
        CS[Cartesian,2,ID["EPSG",4400]],
        AXIS["Easting (E)",east],
        AXIS["Northing (N)",north],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        ID["EPSG",9741]
    ],
    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",9742]
]

PROJ.4

+proj=tmerc +lat_0=56.35 +lon_0=-2.75 +k=1 +x_0=74996.927 +y_0=133508.35 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:9742", "+proj=tmerc +lat_0=56.35 +lon_0=-2.75 +k=1 +x_0=74996.927 +y_0=133508.35 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 9742,
  "name": "EOS21 Grid + ODN height",
  "kind": "compound",
  "area": "UK - Tweedmouth to Aberdeen",
  "unit": null,
  "bbox": [
    55.55,
    -3.56,
    57.21,
    -1.94
  ],
  "proj4": "+proj=tmerc +lat_0=56.35 +lon_0=-2.75 +k=1 +x_0=74996.927 +y_0=133508.35 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9742, 'EPSG', 9742, '+proj=tmerc +lat_0=56.35 +lon_0=-2.75 +k=1 +x_0=74996.927 +y_0=133508.35 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["EOS21 Grid + ODN height",PROJCS["EOS21 Grid",GEOGCS["EOS21-IRF",DATUM["EOS21_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1308"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9739"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",56.35],PARAMETER["central_meridian",-2.75],PARAMETER["scale_factor",1],PARAMETER["false_easting",74996.927],PARAMETER["false_northing",133508.35],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9741"]],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","9742"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=56.35"
  "+lon_0=-2.75"
  "+k=1"
  "+x_0=74996.927"
  "+y_0=133508.35"
  "+ellps=GRS80"
  "+units=m"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

9742=COMPD_CS["EOS21 Grid + ODN height",PROJCS["EOS21 Grid",GEOGCS["EOS21-IRF",DATUM["EOS21_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1308"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9739"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",56.35],PARAMETER["central_meridian",-2.75],PARAMETER["scale_factor",1],PARAMETER["false_easting",74996.927],PARAMETER["false_northing",133508.35],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9741"]],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","9742"]]

Frequently Asked Questions

How do I add EPSG:9742 to GeoServer?

Add the following definition to your GeoServer configuration:

9742=COMPD_CS["EOS21 Grid + ODN height",PROJCS["EOS21 Grid",GEOGCS["EOS21-IRF",DATUM["EOS21_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1308"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9739"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",56.35],PARAMETER["central_meridian",-2.75],PARAMETER["scale_factor",1],PARAMETER["false_easting",74996.927],PARAMETER["false_northing",133508.35],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9741"]],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","9742"]]

Read the full GeoServer guide →

How do I add EPSG:9742 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9742, 'EPSG', 9742, '+proj=tmerc +lat_0=56.35 +lon_0=-2.75 +k=1 +x_0=74996.927 +y_0=133508.35 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["EOS21 Grid + ODN height",PROJCS["EOS21 Grid",GEOGCS["EOS21-IRF",DATUM["EOS21_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1308"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9739"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",56.35],PARAMETER["central_meridian",-2.75],PARAMETER["scale_factor",1],PARAMETER["false_easting",74996.927],PARAMETER["false_northing",133508.35],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9741"]],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","9742"]]');

Read the full PostGIS guide →

How do I add EPSG:9742 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=56.35"
  "+lon_0=-2.75"
  "+k=1"
  "+x_0=74996.927"
  "+y_0=133508.35"
  "+ellps=GRS80"
  "+units=m"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:9742 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:9742", "+proj=tmerc +lat_0=56.35 +lon_0=-2.75 +k=1 +x_0=74996.927 +y_0=133508.35 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs");

Read the full Proj4js guide →

Type

Compound

Area of Use

UK - Tweedmouth to Aberdeen

United Kingdom (UK) - on or related to the complex of rail routes in the East of Scotland, incorpora…

Center Coordinates

74996.93 136848.80

Projected Bounds

229565.31 23873.75123944.12 44733.62

WGS84 Bounds

57.21 -3.56-1.94 55.55

Data Source

EPSG

Information Source

Network Rail.

Revision Date

2021-05-13

Scope

Engineering survey and topographic mapping for railway applications.

EPSG

9742