{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeodeticReferenceFrame","name":"South American Datum 1969","ellipsoid":{"name":"GRS 1967 Modified","semi_major_axis":6378160,"inverse_flattening":298.25},"scope":"Topographic mapping.","area":"Brazil - onshore and offshore. In rest of South America - onshore north of approximately 45°S and Tierra del Fuego.","bbox":{"south_latitude":-55.96,"west_longitude":-91.72,"north_latitude":12.52,"east_longitude":-25.28},"id":{"authority":"EPSG","code":6618}}