{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"ShAb07-IRF","datum":{"type":"GeodeticReferenceFrame","name":"ShAb07 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 Shrewsbury to Aberystwyth.","bbox":{"south_latitude":52.37,"west_longitude":-4.16,"north_latitude":52.77,"east_longitude":-2.6},"id":{"authority":"EPSG","code":10185},"remarks":"Intermediate CRS created in 2022 to assist the emulation of the ETRS89 / ShAb07 SnakeGrid projected CRS through transformation ETRS89 to ShAb07-IRF (1) (code 10186) used in conjunction with the ShAb07-TM map projection (code 10187)."}