{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"BoundCRS","source_crs":{"type":"ProjectedCRS","name":"Pulkovo 1942(58) / Stereo70","base_crs":{"type":"GeographicCRS","name":"Pulkovo 1942(58)","datum":{"type":"GeodeticReferenceFrame","name":"Pulkovo 1942(58)","ellipsoid":{"name":"Krassowsky 1940","semi_major_axis":6378245,"inverse_flattening":298.3}},"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":4179},"remarks":"Shares same origin definition as Pulkovo 1942 (CRS code 4284) and for low accuracy purposes these systems can be considered consistent with each other. Locally densified during 1957 and 1958. Replaced by 1983 adjustment (CRS code 4178)."},"conversion":{"name":"Stereo 70","method":{"name":"Oblique Stereographic","id":{"authority":"EPSG","code":9809}},"parameters":[{"name":"Latitude of natural origin","value":46,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":25,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":0.99975,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":500000,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":500000,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Northing","abbreviation":"X","direction":"north","unit":"metre"},{"name":"Easting","abbreviation":"Y","direction":"east","unit":"metre"}]},"id":{"authority":"EPSG","code":3844}},"target_crs":{"type":"GeographicCRS","name":"WGS 84","datum_ensemble":{"name":"World Geodetic System 1984 ensemble","members":[{"name":"World Geodetic System 1984 (Transit)","id":{"authority":"EPSG","code":1166}},{"name":"World Geodetic System 1984 (G730)","id":{"authority":"EPSG","code":1152}},{"name":"World Geodetic System 1984 (G873)","id":{"authority":"EPSG","code":1153}},{"name":"World Geodetic System 1984 (G1150)","id":{"authority":"EPSG","code":1154}},{"name":"World Geodetic System 1984 (G1674)","id":{"authority":"EPSG","code":1155}},{"name":"World Geodetic System 1984 (G1762)","id":{"authority":"EPSG","code":1156}},{"name":"World Geodetic System 1984 (G2139)","id":{"authority":"EPSG","code":1309}},{"name":"World Geodetic System 1984 (G2296)","id":{"authority":"EPSG","code":1383}}],"ellipsoid":{"name":"WGS 84","semi_major_axis":6378137,"inverse_flattening":298.257223563},"accuracy":"2.0","id":{"authority":"EPSG","code":6326}},"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":4326}},"transformation":{"name":"Transformation from unknown to WGS84","method":{"name":"Position Vector transformation (geog2D domain)","id":{"authority":"EPSG","code":9606}},"parameters":[{"name":"X-axis translation","value":33.4,"unit":"metre","id":{"authority":"EPSG","code":8605}},{"name":"Y-axis translation","value":-146.6,"unit":"metre","id":{"authority":"EPSG","code":8606}},{"name":"Z-axis translation","value":-76.3,"unit":"metre","id":{"authority":"EPSG","code":8607}},{"name":"X-axis rotation","value":-0.359,"unit":{"type":"AngularUnit","name":"arc-second","conversion_factor":4.84813681109536e-06},"id":{"authority":"EPSG","code":8608}},{"name":"Y-axis rotation","value":-0.053,"unit":{"type":"AngularUnit","name":"arc-second","conversion_factor":4.84813681109536e-06},"id":{"authority":"EPSG","code":8609}},{"name":"Z-axis rotation","value":0.844,"unit":{"type":"AngularUnit","name":"arc-second","conversion_factor":4.84813681109536e-06},"id":{"authority":"EPSG","code":8610}},{"name":"Scale difference","value":-0.84,"unit":{"type":"ScaleUnit","name":"parts per million","conversion_factor":1e-06},"id":{"authority":"EPSG","code":8611}}]}}