{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"EST97 (3D)","datum":{"type":"GeodeticReferenceFrame","name":"Estonia 1997","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":{"type":"AngularUnit","name":"degree minute second hemisphere","conversion_factor":0.0174532925199433}},{"name":"Geodetic longitude","abbreviation":"Long","direction":"east","unit":{"type":"AngularUnit","name":"degree minute second hemisphere","conversion_factor":0.0174532925199433}},{"name":"Ellipsoidal height","abbreviation":"h","direction":"up","unit":"metre"}]},"scope":"Geodesy.","area":"Estonia - onshore and offshore.","bbox":{"south_latitude":57.52,"west_longitude":20.37,"north_latitude":60,"east_longitude":28.2},"id":{"authority":"EPSG","code":4341}}