{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"HD72","datum":{"type":"GeodeticReferenceFrame","name":"Hungarian Datum 1972","ellipsoid":{"name":"GRS 1967","semi_major_axis":6378160,"inverse_flattening":298.247167427}},"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":"Hungary.","bbox":{"south_latitude":45.74,"west_longitude":16.11,"north_latitude":48.58,"east_longitude":22.9},"id":{"authority":"EPSG","code":4237},"remarks":"Replaced HD1909 (EPSG CRS code 3819)."}