EPSG:6680

Nouakchott 1965

Attributes

Ellipsoid: Clarke 1880 (RGS)

Prime meridian: Greenwich

Data source: EPSG

Information source: IGN Paris and various industry sources.

Revision date: 2006-06-12

Scope: Topographic mapping.

Remarks: Triangulation limited to environs of Nouakchott. Extended in 1982 by satellite translocation from a single station "Ruines" to support Syledis chain for offshore operations. Replaced by Mauritania 1999 (datum code 6602).

Area of use: Mauritania - coastal area south of Cape Timiris.

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WGS84 bounds:
-15.59 16.81
-16.57 19.41

Mauritania - coastal area south of Cape Timiris.
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Definition: OGC Well Known Text

DATUM["Nouakchott_1965",
    SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,
        AUTHORITY["EPSG","7012"]],
    AUTHORITY["EPSG","6680"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Nouakchott 1965",
    ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6680]]

Definition: ESRI Well Known Text

DATUM["D_Nouakchott_1965",
    SPHEROID["Clarke_1880_RGS",6378249.145,293.465]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Nouakchott 1965",
    "ellipsoid": {
        "name": "Clarke 1880 (RGS)",
        "semi_major_axis": 6378249.145,
        "inverse_flattening": 293.465
    },
    "scope": "Topographic mapping.",
    "area": "Mauritania - coastal area south of Cape Timiris.",
    "bbox": {
        "south_latitude": 16.81,
        "west_longitude": -16.57,
        "north_latitude": 19.41,
        "east_longitude": -15.59
    },
    "id": {
        "authority": "EPSG",
        "code": 6680
    }
}

Definition: GeoServer

6680-datum=DATUM["Nouakchott_1965",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]],AUTHORITY["EPSG","6680"]]