{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"MAGNA-SIRGAS","datum":{"type":"GeodeticReferenceFrame","name":"Marco Geocentrico Nacional de Referencia","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":"Colombia - onshore and offshore. Includes San Andres y Providencia, Malpelo Islands, Roncador Bank, Serrana Bank and Serranilla Bank.","bbox":{"south_latitude":-4.23,"west_longitude":-84.77,"north_latitude":15.51,"east_longitude":-66.87},"id":{"authority":"EPSG","code":4686},"remarks":"Replaces Bogota 1975 (CRS code 4218). For high accuracy purposes replaced by MAGNA-SIRGAS 2018 (code 20046)."}