EPSG:4556 - Hooray!

Attributes

Unit

metre

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: cartesian

Projection: Undefined

Geodetic CRS: Undefined

Export

GEODCRS["RRAF 1991",
    DATUM["Reseau de Reference des Antilles Francaises 1991",
        ELLIPSOID["GRS 1980",6378137,298.257222101,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[Cartesian,3],
        AXIS["(X)",geocentricX,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(Y)",geocentricY,
            ORDER[2],
            LENGTHUNIT["metre",1]],
        AXIS["(Z)",geocentricZ,
            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",4556]]

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "GeodeticCRS",
  "name": "RRAF 1991",
  "datum": {
    "type": "GeodeticReferenceFrame",
    "name": "Reseau de Reference des Antilles Francaises 1991",
    "ellipsoid": {
      "name": "GRS 1980",
      "semi_major_axis": 6378137,
      "inverse_flattening": 298.257222101
    }
  },
  "coordinate_system": {
    "subtype": "Cartesian",
    "axis": [
      {
        "name": "Geocentric X",
        "abbreviation": "X",
        "direction": "geocentricX",
        "unit": "metre"
      },
      {
        "name": "Geocentric Y",
        "abbreviation": "Y",
        "direction": "geocentricY",
        "unit": "metre"
      },
      {
        "name": "Geocentric Z",
        "abbreviation": "Z",
        "direction": "geocentricZ",
        "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": 4556
  }
}