OSGB70

Definition: Well Known Text (WKT)

GEOGCS["OSGB70",
    DATUM["OSGB_1970_SN",
        SPHEROID["Airy 1830",6377563.396,299.3249646]],
    PRIMEM["Greenwich",0],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4278"]]

Definition: ESRI WKT

GEOGCS["GCS_OSGB_1970_SN",DATUM["D_OSGB_1970_SN",SPHEROID["Airy_1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=airy +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:4278","+proj=longlat +ellps=airy +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "OSGB70",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "OSGB 1970 (SN)",
        "ellipsoid": {
            "name": "Airy 1830",
            "semi_major_axis": 6377563.396,
            "inverse_flattening": 299.3249646
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "United Kingdom (UK) - Great Britain - England and Wales onshore, Scotland onshore and Western Isles nearshore including Sea of the Hebrides and The Minch; Isle of Man onshore.",
    "bbox": {
        "south_latitude": 49.797,
        "west_longitude": -8.818,
        "north_latitude": 60.935,
        "east_longitude": 1.92
    },
    "id": {
        "authority": "EPSG",
        "code": 4278
    }
}

Definition: GeoServer

4278=GEOGCS["OSGB70",DATUM["OSGB_1970_SN",SPHEROID["Airy 1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4278"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=airy"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=airy +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=airy +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4278, 'EPSG', 4278, '+proj=longlat +ellps=airy +no_defs +type=crs', 'GEOGCS["OSGB70",DATUM["OSGB_1970_SN",SPHEROID["Airy 1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4278"]]');

Definition: OGC WKT

GEOGCS["OSGB70",DATUM["OSGB_1970_SN",SPHEROID["Airy 1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4278"]]

Definition: OGC WKT 2 (2019)

GEOGCRS["OSGB70",DATUM["OSGB 1970 (SN)",ELLIPSOID["Airy 1830",6377563.396,299.3249646,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Geodesy."],AREA["United Kingdom (UK) - Great Britain - England and Wales onshore, Scotland onshore and Western Isles nearshore including Sea of the Hebrides and The Minch; Isle of Man onshore."],BBOX[49.797,-8.818,60.935,1.92]],ID["EPSG",4278]]

EPSG:4278

Attributes

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