EPSG:7001

Airy 1830

Attributes

Unit: metre

Data source: EPSG

Information source: Ordnance Survey of Great Britain.

Revision date: 2006-11-27

Remarks: Original definition is a=20923713, b=20853810 feet of 1796. 1/f is given to 7 decimal places. For the 1936 retriangulation OSGB defines the relationship of 10 feet of 1796 to the International metre through ([10^0.48401603]/10) exactly = 0.3048007491...

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Definition: OGC Well Known Text

SPHEROID["Airy 1830",6377563.396,299.3249646,
    AUTHORITY["EPSG","7001"]]

Definition: OGC Well Known Text 2 (2019)

ELLIPSOID["Airy 1830",6377563.396,299.3249646,
    LENGTHUNIT["metre",1],
    ID["EPSG",7001]]

Definition: ESRI Well Known Text

SPHEROID["Airy_1830",6377563.396,299.3249646]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "Ellipsoid",
    "name": "Airy 1830",
    "semi_major_axis": 6377563.396,
    "inverse_flattening": 299.3249646,
    "id": {
        "authority": "EPSG",
        "code": 7001
    }
}

Definition: GeoServer

7001-ellipsoid=SPHEROID["Airy 1830",6377563.396,299.3249646,AUTHORITY["EPSG","7001"]]