{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"HULLEE13-IRF","datum":{"type":"GeodeticReferenceFrame","name":"HULLEE13 Intermediate Reference Frame","ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"scope":"Engineering survey and topographic mapping for railway applications.","area":"United Kingdom (UK) - on or related to the rail route from the Morley tunnel through Leeds to Hull.","bbox":{"south_latitude":53.6,"west_longitude":-1.7,"north_latitude":53.9,"east_longitude":-0.27},"id":{"authority":"EPSG","code":9964},"remarks":"Intermediate CRS created in 2022 to assist the emulation of the ETRS89 / HULLEE13 SnakeGrid projected CRS through transformation ETRS89-GBR [OSNet v2009] to HULLEE13-IRF (1) (code 9965) used in conjunction with the HULLEE13-TM map projection (code 9966)."}