{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"ED50(ED77)","datum":{"type":"GeodeticReferenceFrame","name":"European Datum 1950(1977)","ellipsoid":{"name":"International 1924","semi_major_axis":6378388,"inverse_flattening":297}},"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":"Iran - onshore and offshore.","bbox":{"south_latitude":23.34,"west_longitude":44.03,"north_latitude":39.78,"east_longitude":63.34},"id":{"authority":"EPSG","code":4154}}