{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeodeticCRS","name":"Ile Amsterdam 1963 cartesiennes geocentriques","datum":{"type":"GeodeticReferenceFrame","name":"ILE AMSTERDAM 1963","ellipsoid":{"name":"International 1924","semi_major_axis":6378388,"inverse_flattening":297}},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Geocentric X","abbreviation":"X","direction":"geocentricX","unit":"metre"},{"name":"Geocentric Y","abbreviation":"Y","direction":"geocentricY","unit":"metre"},{"name":"Geocentric Z","abbreviation":"Z","direction":"geocentricZ","unit":"metre"}]},"scope":"INTERMEDIAIRE POUR LE CALCUL","area":"ILE AMSTERDAM","bbox":{"south_latitude":-37.92,"west_longitude":77.45,"north_latitude":-37.75,"east_longitude":77.63},"id":{"authority":"IGNF","code":"AMST63"}}