EPSG:4277Geographic 2D
OSGB36
Type
Geographic 2D
Unit
degree (supplier to define representation)
Accuracy
1 m
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.
proj4 definition
+proj=longlat +ellps=airy +nadgrids=OSTN15_NTv2_OSGBtoETRS.gsb +no_defs +type=crs
Well-Known Text (WKT)
GEOGCS["OSGB36",DATUM["Ordnance_Survey_of_Great_Britain_1936",SPHEROID["Airy 1830",6377563.396,299.3249646],EXTENSION["PROJ4_GRIDS","OSTN15_NTv2_OSGBtoETRS.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4277"]]