{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"IGN63 Hiva Oa","datum":{"type":"GeodeticReferenceFrame","name":"IGN63 Hiva Oa","ellipsoid":{"name":"International 1924","semi_major_axis":6378388,"inverse_flattening":297}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"scope":"Hydrography, topographic mapping.","area":"French Polynesia - Marquesas Islands - Hiva Oa and Tahuata.","bbox":{"south_latitude":-10.08,"west_longitude":-139.23,"north_latitude":-9.64,"east_longitude":-138.75},"id":{"authority":"EPSG","code":4689},"remarks":"Replaced by RGPF, CRS code 4687."}