{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"RGM23","datum":{"type":"GeodeticReferenceFrame","name":"Mayotte Geodetic Reference Frame 2023","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"}]},"scope":"Horizontal component of 3D system.","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":10671},"remarks":"Replaces RGM04 (CRS code 4470) with effect from 2023-01-01. See CRS code 10673 for alternate system with axes reversed used by IGN for GIS purposes."}