EPSG:6681 DEPRECATED

Mauritania 1999

Attributes

Ellipsoid: Clarke 1880 (RGS)

Prime meridian: Greenwich

Data source: EPSG

Information source: Woodside

Revision date: 2004-10-14

Scope: Minerals management (including oil and gas exploration and production).

Remarks: A network of 36 GPS stations tied to ITRF96, 8 of which are IGN astronomic points.

Area of use: Mauritania - onshore and offshore.

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WGS84 bounds:
-4.8 14.72
-20.04 27.3

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Definition: OGC Well Known Text

DATUM["Mauritania_1999",
    SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,
        AUTHORITY["EPSG","7012"]],
    AUTHORITY["EPSG","6681"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Mauritania 1999",
    ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6681]]

Definition: ESRI Well Known Text

DATUM["D_Mauritania_1999",
    SPHEROID["Clarke_1880_RGS",6378249.145,293.465]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Mauritania 1999",
    "ellipsoid": {
        "name": "Clarke 1880 (RGS)",
        "semi_major_axis": 6378249.145,
        "inverse_flattening": 293.465
    },
    "scope": "Minerals management (including oil and gas exploration and production).",
    "area": "Mauritania - onshore and offshore.",
    "bbox": {
        "south_latitude": 14.72,
        "west_longitude": -20.04,
        "north_latitude": 27.3,
        "east_longitude": -4.8
    },
    "id": {
        "authority": "EPSG",
        "code": 6681
    }
}

Definition: GeoServer

6681-datum=DATUM["Mauritania_1999",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]],AUTHORITY["EPSG","6681"]]