{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"TERRE ADELIE POINTE GEOLOGIE PERROUD STEREO POLAIRE SUD (TANGENTE)","base_crs":{"type":"GeographicCRS","name":"Pointe Geologie Perroud 1950 geographiques (dms)","datum":{"type":"GeodeticReferenceFrame","name":"Pointe Geologie Perroud 1950","ellipsoid":{"name":"International 1924","semi_major_axis":6378388,"inverse_flattening":297}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"},{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"}]},"id":{"authority":"IGNF","code":"PGP50G"}},"conversion":{"name":"STEREOGRAPHIQUE POLAIRE SUD TERRE-ADELIE (TANGENTE)","method":{"name":"Polar Stereographic (variant A)","id":{"authority":"EPSG","code":9810}},"parameters":[{"name":"Latitude of natural origin","value":-90,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":140,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":0.960272946,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":300000,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":-2299363.482,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Easting","abbreviation":"X","direction":"east","unit":"metre"},{"name":"Northing","abbreviation":"Y","direction":"north","unit":"metre"}]},"scope":"LOCALE, HISTORIQUE","area":"ARCHIPEL POINTE GEOLOGIE (TERRE ADELIE) - STEREOGRAPHIQUE POLAIRE SUD TERRE ADELIE","bbox":{"south_latitude":-66.72,"west_longitude":139.67,"north_latitude":-66.6,"east_longitude":140.12},"id":{"authority":"IGNF","code":"TERA50STEREO"}}