EPSG:7012

Clarke 1880 (RGS)

Attributes

Unit: metre

Data source: EPSG

Information source: Empire Survey Review #32; 1939.

Revision date: 1995-06-02

Remarks: Adopts Clarke's values for a and 1/f. Adopts his 1865 ratio of 39.370432 inches per metre to convert semi-major axis to metres. Also known as Clarke Modified 1880.

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Definition: OGC Well Known Text

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

Definition: OGC Well Known Text 2 (2019)

ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465,
    LENGTHUNIT["metre",1],
    ID["EPSG",7012]]

Definition: ESRI Well Known Text

SPHEROID["Clarke_1880_RGS",6378249.145,293.465]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Ellipsoid",
    "name": "Clarke 1880 (RGS)",
    "semi_major_axis": 6378249.145,
    "inverse_flattening": 293.465,
    "id": {
        "authority": "EPSG",
        "code": 7012
    }
}

Definition: GeoServer

7012-ellipsoid=SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]]