{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeodeticCRS","name":"RGAF09","datum":{"type":"GeodeticReferenceFrame","name":"Reseau Geodesique des Antilles Francaises 2009","ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101}},"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":"Geodesy.","area":"French Antilles onshore and offshore - Guadeloupe (including Grande Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite Terre, La Desirade); Martinique; St Barthélemy; St Martin.","bbox":{"south_latitude":14.08,"west_longitude":-63.66,"north_latitude":18.54,"east_longitude":-57.52},"id":{"authority":"EPSG","code":5487},"remarks":"Replaces RRAF 1991 (CRS code 4556)."}