Unit: degree (supplier to define representation)
Geodetic CRS: OSGB70
Datum: OSGB 1970 (SN)
Ellipsoid: Airy 1830
Prime meridian: Greenwich
Data source: EPSG
Revision date: 2004-01-06
Scope: Geodesy.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Center coordinates
-3.45 55.37
WGS84 bounds:
-8.818 49.797
1.92 60.935
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: 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 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]]