{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"Pulkovo 1942(83)","datum":{"type":"GeodeticReferenceFrame","name":"Pulkovo 1942(83)","ellipsoid":{"name":"Krassowsky 1940","semi_major_axis":6378245,"inverse_flattening":298.3}},"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":"Onshore Bulgaria, Czechia, Germany (former DDR), Hungary and Slovakia.","bbox":{"south_latitude":41.24,"west_longitude":9.92,"north_latitude":54.74,"east_longitude":28.68},"id":{"authority":"EPSG","code":4178},"remarks":"Replaces 1956 adjustment (CRS code 4179). In Brandenburg replaced by ETRS89. In Sachsen and Thuringen replaced by RD83 and PD/83 which for practical purposes may be considered to be the same as DHDN."}