{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"GSK-2011","datum":{"type":"GeodeticReferenceFrame","name":"Geodezicheskaya Sistema Koordinat 2011","ellipsoid":{"name":"GSK-2011","semi_major_axis":6378136.5,"inverse_flattening":298.2564151}},"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":"Russian Federation - onshore and offshore.","bbox":{"south_latitude":39.87,"west_longitude":18.92,"north_latitude":85.19,"east_longitude":-168.97},"id":{"authority":"EPSG","code":7683},"remarks":"Replaces Pulkovo 1995 (CRS code 4200) with effect from 21st October 2011."}