EPSG:7034

Clarke 1880

Attributes

Unit: Clarke's foot

Data source: EPSG

Information source: "Ellipsoidisch Parameter der Erdfigur (1800-1950)" by Georg Strasser.

Revision date: 2008-06-26

Remarks: Clarke gave a and b and also 1/f=293.465 (to 3 decimal places exactly). In the 19th century b was normally given as the second defining parameter.

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Definition: OGC Well Known Text

SPHEROID["Clarke 1880",6378249.14480801,293.466307655636,
    AUTHORITY["EPSG","7034"]]

Definition: OGC Well Known Text 2 (2019)

ELLIPSOID["Clarke 1880",20926202,293.466307655636,
    LENGTHUNIT["Clarke's foot",0.3047972654],
    ID["EPSG",7034]]

Definition: ESRI Well Known Text

SPHEROID["Clarke_1880",6378249.14480801,293.466307655636]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Ellipsoid",
    "name": "Clarke 1880",
    "semi_major_axis": {
        "value": 20926202,
        "unit": {
            "type": "LinearUnit",
            "name": "Clarke's foot",
            "conversion_factor": 0.3047972654
        }
    },
    "semi_minor_axis": {
        "value": 20854895,
        "unit": {
            "type": "LinearUnit",
            "name": "Clarke's foot",
            "conversion_factor": 0.3047972654
        }
    },
    "id": {
        "authority": "EPSG",
        "code": 7034
    }
}

Definition: GeoServer

7034-ellipsoid=SPHEROID["Clarke 1880",6378249.14480801,293.466307655636,AUTHORITY["EPSG","7034"]]