{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"MTRF-2000","datum":{"type":"GeodeticReferenceFrame","name":"MOMRA Terrestrial Reference Frame 2000","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":"Saudi Arabia - onshore and offshore.","bbox":{"south_latitude":16.29,"west_longitude":34.44,"north_latitude":32.16,"east_longitude":55.67},"id":{"authority":"EPSG","code":8818},"remarks":"Replaces Ain el Abd (CRS 4204) in Saudi Arabia."}