{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"LTF2004(G)","datum":{"type":"GeodeticReferenceFrame","name":"Lyon Turin Ferroviaire 2004","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":"Horizontal component of 3D system.","area":"France and Italy - on or related to the rail route from Lyon to Turin.","bbox":{"south_latitude":44.87,"west_longitude":4.65,"north_latitude":45.89,"east_longitude":7.88},"id":{"authority":"EPSG","code":9547}}