{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"BoundCRS","source_crs":{"type":"ProjectedCRS","name":"SAD69 / UTM zone 19S","base_crs":{"type":"GeographicCRS","name":"SAD69","datum":{"type":"GeodeticReferenceFrame","name":"South American Datum 1969","ellipsoid":{"name":"GRS 1967 Modified","semi_major_axis":6378160,"inverse_flattening":298.25}},"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":4618},"remarks":"Uses GRS 1967 ellipsoid with 1/f to exactly 2 decimal places. In Brazil only, replaced by SAD69(96) (CRS code 5527)."},"conversion":{"name":"UTM zone 19S","method":{"name":"Transverse Mercator","id":{"authority":"EPSG","code":9807}},"parameters":[{"name":"Latitude of natural origin","value":0,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":-69,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":0.9996,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":500000,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":10000000,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Easting","abbreviation":"E","direction":"east","unit":"metre"},{"name":"Northing","abbreviation":"N","direction":"north","unit":"metre"}]},"id":{"authority":"EPSG","code":29189}},"target_crs":{"type":"GeographicCRS","name":"SIRGAS 2000","datum":{"type":"GeodeticReferenceFrame","name":"Sistema de Referencia Geocentrico para las AmericaS 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"}]},"id":{"authority":"EPSG","code":4674},"remarks":"Replaces SIRGAS 1995 system (CRS code 4179) for South America; expands SIRGAS to Central America."},"transformation":{"name":"SAD69 to SIRGAS 2000 (2)","method":{"name":"NTv2","id":{"authority":"EPSG","code":9615}},"parameters":[{"name":"Latitude and longitude difference file","value":"SAD69_003.gsb","id":{"authority":"EPSG","code":8656}}],"id":{"authority":"EPSG","code":5528}}}