EPSG:6640 DEPRECATED

Reseau de Reference des Antilles Francaises 1991

Attributes

Ellipsoid: WGS 84

Prime meridian: Greenwich

Data source: EPSG

Information source: IGN Paris.

Revision date: 2004-03-26

Scope: Geodesy, cadastre, engineering survey, topographic mapping.

Remarks: Replaces Fort Marigot and Sainte Anne (datum codes 6621-22) in Guadeloupe and Fort Desaix (datum code 6625) in Martinique.

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.

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WGS84 bounds:
-57.52 14.08
-63.66 18.53

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Definition: OGC Well Known Text

DATUM["Reseau_de_Reference_des_Antilles_Francaises_1991",
    SPHEROID["WGS 84",6378137,298.257223563,
        AUTHORITY["EPSG","7030"]],
    AUTHORITY["EPSG","6640"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Reseau de Reference des Antilles Francaises 1991",
    ELLIPSOID["WGS 84",6378137,298.257223563,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6640]]

Definition: ESRI Well Known Text

DATUM["D_RRAF_1991",
    SPHEROID["WGS_1984",6378137.0,298.257223563]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Reseau de Reference des Antilles Francaises 1991",
    "ellipsoid": {
        "name": "WGS 84",
        "semi_major_axis": 6378137,
        "inverse_flattening": 298.257223563
    },
    "scope": "Geodesy, cadastre, engineering survey, topographic mapping.",
    "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": 6640
    }
}

Definition: GeoServer

6640-datum=DATUM["Reseau_de_Reference_des_Antilles_Francaises_1991",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6640"]]