EPSG:9866 - MRH21-IRF

Attributes

Unit

degree

Scope

Engineering survey and topographic mapping for railway applications.

Remarks

None

Area of use

United Kingdom (UK) - on or related to Midland Rail Hub, covering routes through Cardiff, Bristol, Gloucester, Derby, Birmingham, Leicester, and Lincoln.

Data Source: EPSG v11.016 2024-08-31

Datum: MRH21 Intermediate Reference Frame

Coordinate System: ellipsoidal

Projection: Undefined

Geodetic CRS: Undefined

Export

GEOGCRS["MRH21-IRF",
    DATUM["MRH21 Intermediate Reference Frame",
        ELLIPSOID["GRS 1980",6378137,298.257222101,
            LENGTHUNIT["metre",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]],
    USAGE[
        SCOPE["Engineering survey and topographic mapping for railway applications."],
        AREA["United Kingdom (UK) - on or related to Midland Rail Hub, covering routes through Cardiff, Bristol, Gloucester, Derby, Birmingham, Leicester, and Lincoln."],
        BBOX[51.35,-3.27,53.26,-0.36]],
    ID["EPSG",9866]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "GeographicCRS",
  "name": "MRH21-IRF",
  "datum": {
    "type": "GeodeticReferenceFrame",
    "name": "MRH21 Intermediate Reference Frame",
    "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"
      }
    ]
  },
  "scope": "Engineering survey and topographic mapping for railway applications.",
  "area": "United Kingdom (UK) - on or related to Midland Rail Hub, covering routes through Cardiff, Bristol, Gloucester, Derby, Birmingham, Leicester, and Lincoln.",
  "bbox": {
    "south_latitude": 51.35,
    "west_longitude": -3.27,
    "north_latitude": 53.26,
    "east_longitude": -0.36
  },
  "id": {
    "authority": "EPSG",
    "code": 9866
  }
}
{'crs_wkt': 'GEOGCRS["MRH21-IRF",DATUM["MRH21 Intermediate Reference '
            'Frame",ELLIPSOID["GRS '
            '1980",6378137,298.257222101,LENGTHUNIT["metre",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]],USAGE[SCOPE["Engineering '
            'survey and topographic mapping for railway '
            'applications."],AREA["United Kingdom (UK) - on or related to '
            'Midland Rail Hub, covering routes through Cardiff, Bristol, '
            'Gloucester, Derby, Birmingham, Leicester, and '
            'Lincoln."],BBOX[51.35,-3.27,53.26,-0.36]],ID["EPSG",9866]]',
 'geographic_crs_name': 'MRH21-IRF',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'MRH21 Intermediate Reference Frame',
 'inverse_flattening': 298.257222101,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'GRS 1980',
 'semi_major_axis': 6378137.0,
 'semi_minor_axis': 6356752.314140356}