EPSG:1138

South East Island 1943

Attributes

Ellipsoid: Clarke 1880 (RGS)

Prime meridian: Greenwich

Data source: EPSG

Information source: UK Hydrographic Office.

Revision date: 2014-07-30

Scope: Topographic mapping.

Remarks: Network readjusted in 1958-59 and extended to Bird and Denis islands in 1975.

Area of use: Seychelles - Mahe, Silhouette, North, Aride Island, Praslin, La Digue and Frigate islands including adjacent smaller granitic islands on the Seychelles Bank, Bird Island and Denis Island.

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WGS84 bounds:
56.01 -4.86
55.15 -3.66

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Definition: OGC Well Known Text

DATUM["South_East_Island_1943",
    SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,
        AUTHORITY["EPSG","7012"]],
    AUTHORITY["EPSG","1138"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["South East Island 1943",
    ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465,
        LENGTHUNIT["metre",1]],
    ID["EPSG",1138]]

Definition: ESRI Well Known Text

DATUM["D_South_East_Island_1943",
    SPHEROID["Clarke_1880_RGS",6378249.145,293.465]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "South East Island 1943",
    "ellipsoid": {
        "name": "Clarke 1880 (RGS)",
        "semi_major_axis": 6378249.145,
        "inverse_flattening": 293.465
    },
    "scope": "Topographic mapping.",
    "area": "Seychelles - Mahe, Silhouette, North, Aride Island, Praslin, La Digue and Frigate islands including adjacent smaller granitic islands on the Seychelles Bank, Bird Island and Denis Island.",
    "bbox": {
        "south_latitude": -4.86,
        "west_longitude": 55.15,
        "north_latitude": -3.66,
        "east_longitude": 56.01
    },
    "id": {
        "authority": "EPSG",
        "code": 1138
    }
}

Definition: GeoServer

1138-datum=DATUM["South_East_Island_1943",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]],AUTHORITY["EPSG","1138"]]