{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"MAGNA-SIRGAS / Colombia East Central zone","base_crs":{"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"}]},"id":{"authority":"EPSG","code":4686},"remarks":"Replaces Bogota 1975 (CRS code 4218). For high accuracy purposes replaced by MAGNA-SIRGAS 2018 (code 20046)."},"conversion":{"name":"Colombia MAGNA East Central zone","method":{"name":"Transverse Mercator","id":{"authority":"EPSG","code":9807}},"parameters":[{"name":"Latitude of natural origin","value":4.59620041666667,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":-71.0775079166667,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":1,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":1000000,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":1000000,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Northing","abbreviation":"N","direction":"north","unit":"metre"},{"name":"Easting","abbreviation":"E","direction":"east","unit":"metre"}]},"scope":"Engineering survey, topographic mapping.","area":"Colombia - onshore between 1°30'E and 4°30'E of Bogota (approximately 72°35'W and 69°35'W of Greenwich).","bbox":{"south_latitude":-4.23,"west_longitude":-72.59,"north_latitude":12.52,"east_longitude":-69.58},"id":{"authority":"EPSG","code":3117}}