{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"Hong Kong Geodetic CS","datum":{"type":"GeodeticReferenceFrame","name":"Hong Kong Geodetic","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":"Hong Kong - onshore and offshore.","bbox":{"south_latitude":22.13,"west_longitude":113.76,"north_latitude":22.58,"east_longitude":114.51},"id":{"authority":"EPSG","code":8427},"remarks":"Locally sometimes referred to as ITRF96 or WGS 84, these are not strictly correct."}