EPSG:6256

Mahe 1971

Attributes

Ellipsoid: Clarke 1880 (RGS)

Prime meridian: Greenwich

Data source: EPSG

Information source: Clifford Mugnier's September 2007 PE&RS "Grids and Datums" article on Seychelles (www.asprs.org/resources/grids/).

Revision date: 2014-09-08

Scope: Military survey.

Remarks: South East Island 1943 (datum code 1138) used for topographic mapping, cadastral and hydrographic survey.

Area of use: Seychelles - Mahe Island.

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WGS84 bounds:
55.59 -4.86
55.3 -4.5

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Definition: OGC Well Known Text

DATUM["Mahe_1971",
    SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,
        AUTHORITY["EPSG","7012"]],
    AUTHORITY["EPSG","6256"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Mahe 1971",
    ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6256]]

Definition: ESRI Well Known Text

DATUM["D_Mahe_1971",
    SPHEROID["Clarke_1880_RGS",6378249.145,293.465]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Mahe 1971",
    "ellipsoid": {
        "name": "Clarke 1880 (RGS)",
        "semi_major_axis": 6378249.145,
        "inverse_flattening": 293.465
    },
    "scope": "Military survey.",
    "area": "Seychelles - Mahe Island.",
    "bbox": {
        "south_latitude": -4.86,
        "west_longitude": 55.3,
        "north_latitude": -4.5,
        "east_longitude": 55.59
    },
    "id": {
        "authority": "EPSG",
        "code": 6256
    }
}

Definition: GeoServer

6256-datum=DATUM["Mahe_1971",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]],AUTHORITY["EPSG","6256"]]