Definition: OGC Well Known Text
GEOGCS["OSGB70", DATUM["OSGB_1970_SN", SPHEROID["Airy 1830",6377563.396,299.3249646, AUTHORITY["EPSG","7001"]], AUTHORITY["EPSG","6278"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4278"]]
Definition: OGC Well Known Text 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[49.79,-8.82,60.94,1.92]], ID["EPSG",4278]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/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": 49.79, "west_longitude": -8.82, "north_latitude": 60.94, "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,AUTHORITY["EPSG","7001"]],AUTHORITY["EPSG","6278"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","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,AUTHORITY["EPSG","7001"]],AUTHORITY["EPSG","6278"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4278"]]');