EPSG:6277

Ordnance Survey of Great Britain 1936

Attributes

Ellipsoid: Airy 1830

Prime meridian: Greenwich

Data source: EPSG

Information source: Ordnance Survey of Great Britain.

Revision date: 2022-03-23

Scope: Topographic mapping.

Remarks: The average accuracy of OSTN compared to the old triangulation network (down to 3rd order) is 0.1m. With the introduction of OSTN15, the area for OGSB36 has effectively been extended from Britain to cover the adjacent UK Continental Shelf.

Area of use: United Kingdom (UK) - offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E; onshore Great Britain (England, Wales and Scotland). Isle of Man onshore.

SimpleMap

WGS84 bounds:
2.01 49.75
-9.01 61.01

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Definition: OGC Well Known Text

DATUM["Ordnance_Survey_of_Great_Britain_1936",
    SPHEROID["Airy 1830",6377563.396,299.3249646,
        AUTHORITY["EPSG","7001"]],
    AUTHORITY["EPSG","6277"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Ordnance Survey of Great Britain 1936",
    ELLIPSOID["Airy 1830",6377563.396,299.3249646,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6277]]

Definition: ESRI Well Known Text

DATUM["D_OSGB_1936",
    SPHEROID["Airy_1830",6377563.396,299.3249646]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Ordnance Survey of Great Britain 1936",
    "ellipsoid": {
        "name": "Airy 1830",
        "semi_major_axis": 6377563.396,
        "inverse_flattening": 299.3249646
    },
    "scope": "Topographic mapping.",
    "area": "United Kingdom (UK) - offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E; onshore Great Britain (England, Wales and Scotland). Isle of Man onshore.",
    "bbox": {
        "south_latitude": 49.75,
        "west_longitude": -9.01,
        "north_latitude": 61.01,
        "east_longitude": 2.01
    },
    "id": {
        "authority": "EPSG",
        "code": 6277
    }
}

Definition: GeoServer

6277-datum=DATUM["Ordnance_Survey_of_Great_Britain_1936",SPHEROID["Airy 1830",6377563.396,299.3249646,AUTHORITY["EPSG","7001"]],AUTHORITY["EPSG","6277"]]