{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"RGM04","datum":{"type":"GeodeticReferenceFrame","name":"Reseau Geodesique de Mayotte 2004","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"},{"name":"Ellipsoidal height","abbreviation":"h","direction":"up","unit":"metre"}]},"scope":"Geodesy; air, land and sea navigation and safety of life purposes.","area":"Mayotte - onshore and offshore.","bbox":{"south_latitude":-14.49,"west_longitude":43.68,"north_latitude":-11.33,"east_longitude":46.7},"id":{"authority":"EPSG","code":4469},"remarks":"Replaced by RGM23 (CRS code 10670) from 2023-01-01. See CRS code 7038 for alternate system with horizontal axes reversed used by IGN for GIS purposes."}