{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"FEH2010","datum":{"type":"GeodeticReferenceFrame","name":"Fehmarnbelt Datum 2010","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":"Fehmarnbelt area of Denmark and Germany.","bbox":{"south_latitude":54.33,"west_longitude":10.66,"north_latitude":54.83,"east_longitude":12.01},"id":{"authority":"EPSG","code":5593},"remarks":"Created for engineering survey and construction of Fehmarnbelt tunnel."}