{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeodeticReferenceFrame","name":"SZCTW Intermediate Reference Frame","ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101},"scope":"Engineering survey, GIS, topographic mapping.","area":"United Kingdom (UK) - Sizewell power station site and  rail and road routes related to the site.","bbox":{"south_latitude":52.13,"west_longitude":1.35,"north_latitude":52.38,"east_longitude":1.7},"id":{"authority":"EPSG","code":1461}}