EPSG:4973 - RRAF 1991

Attributes

Unit

degree

Scope

Geodesy.

Remarks

None

Area of use

French Antilles onshore and offshore - Guadeloupe (including Grande Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite Terre, La Desirade); Martinique; St Barthélemy; St Martin.

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

Datum: Reseau de Reference des Antilles Francaises 1991

Coordinate System: ellipsoidal

Projection: Undefined

Geodetic CRS: Undefined

Export

GEOGCRS["RRAF 1991",
    DATUM["Reseau de Reference des Antilles Francaises 1991",
        ELLIPSOID["WGS 84",6378137,298.257223563,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,3],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["ellipsoidal height (h)",up,
            ORDER[3],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["French Antilles onshore and offshore - Guadeloupe (including Grande Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite Terre, La Desirade); Martinique; St Barthélemy; St Martin."],
        BBOX[14.08,-63.66,18.53,-57.52]],
    ID["EPSG",4973]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "GeographicCRS",
  "name": "RRAF 1991",
  "datum": {
    "type": "GeodeticReferenceFrame",
    "name": "Reseau de Reference des Antilles Francaises 1991",
    "ellipsoid": {
      "name": "WGS 84",
      "semi_major_axis": 6378137,
      "inverse_flattening": 298.257223563
    }
  },
  "coordinate_system": {
    "subtype": "ellipsoidal",
    "axis": [
      {
        "name": "Geodetic latitude",
        "abbreviation": "Lat",
        "direction": "north",
        "unit": "degree"
      },
      {
        "name": "Geodetic longitude",
        "abbreviation": "Lon",
        "direction": "east",
        "unit": "degree"
      },
      {
        "name": "Ellipsoidal height",
        "abbreviation": "h",
        "direction": "up",
        "unit": "metre"
      }
    ]
  },
  "scope": "Geodesy.",
  "area": "French Antilles onshore and offshore - Guadeloupe (including Grande Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite Terre, La Desirade); Martinique; St Barthélemy; St Martin.",
  "bbox": {
    "south_latitude": 14.08,
    "west_longitude": -63.66,
    "north_latitude": 18.53,
    "east_longitude": -57.52
  },
  "id": {
    "authority": "EPSG",
    "code": 4973
  }
}
{'crs_wkt': 'GEOGCRS["RRAF 1991",DATUM["Reseau de Reference des Antilles '
            'Francaises 1991",ELLIPSOID["WGS '
            '84",6378137,298.257223563,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,3],AXIS["geodetic '
            'latitude '
            '(Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic '
            'longitude '
            '(Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],AXIS["ellipsoidal '
            'height '
            '(h)",up,ORDER[3],LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy."],AREA["French '
            'Antilles onshore and offshore - Guadeloupe (including Grande '
            'Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite '
            'Terre, La Desirade); Martinique; St Barthélemy; St '
            'Martin."],BBOX[14.08,-63.66,18.53,-57.52]],ID["EPSG",4973]]',
 'geographic_crs_name': 'RRAF 1991',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'Reseau de Reference des Antilles Francaises 1991',
 'inverse_flattening': 298.257223563,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'WGS 84',
 'semi_major_axis': 6378137.0,
 'semi_minor_axis': 6356752.314245179}