{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"BoundCRS","source_crs":{"type":"BoundCRS","source_crs":{"type":"ProjectedCRS","name":"ETRS89 / PL-1992","base_crs":{"type":"GeographicCRS","name":"ETRS89","datum_ensemble":{"name":"European Terrestrial Reference System 1989 ensemble","members":[{"name":"European Terrestrial Reference Frame 1989","id":{"authority":"EPSG","code":1178}},{"name":"European Terrestrial Reference Frame 1990","id":{"authority":"EPSG","code":1179}},{"name":"European Terrestrial Reference Frame 1991","id":{"authority":"EPSG","code":1180}},{"name":"European Terrestrial Reference Frame 1992","id":{"authority":"EPSG","code":1181}},{"name":"European Terrestrial Reference Frame 1993","id":{"authority":"EPSG","code":1182}},{"name":"European Terrestrial Reference Frame 1994","id":{"authority":"EPSG","code":1183}},{"name":"European Terrestrial Reference Frame 1996","id":{"authority":"EPSG","code":1184}},{"name":"European Terrestrial Reference Frame 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2011","id":{"authority":"EPSG","code":1447}},{"name":"BH_ETRS89","id":{"authority":"EPSG","code":1358}},{"name":"Bulgaria Geodetic System 2005","id":{"authority":"EPSG","code":1167}},{"name":"Croatian Terrestrial Reference System 1996","id":{"authority":"EPSG","code":6761}},{"name":"AGRS2010 (ETRF2000)","id":{"authority":"EPSG","code":1427}},{"name":"CROPOS","id":{"authority":"EPSG","code":1445}},{"name":"ETRF2000 Poland","id":{"authority":"EPSG","code":1305}},{"name":"ETRS89/DREF91 Realization 2016","id":{"authority":"EPSG","code":1353}},{"name":"ETRS89/DREF91 Realization 2025","id":{"authority":"EPSG","code":1446}},{"name":"ETRS89-CZE [2007]","id":{"authority":"EPSG","code":1433}},{"name":"ETRS89-ESP [REGENTE]","id":{"authority":"EPSG","code":1441}},{"name":"ETRS89-ESP [ERGNSS]","id":{"authority":"EPSG","code":1442}},{"name":"ETRS89-FRO [2008]","id":{"authority":"EPSG","code":1436}},{"name":"Hellenic Terrestrial Reference System of 2007","id":{"authority":"EPSG","code":1437}},{"name":"ETRS89-HUN [ETRF2000]","id":{"authority":"EPSG","code":1444}},{"name":"ETRS89-IRE [ETRF2000]","id":{"authority":"EPSG","code":6173}},{"name":"ETRS89-MKD [EUREF-MAK2010]","id":{"authority":"EPSG","code":1438}},{"name":"EUREF89","id":{"authority":"EPSG","code":1407}},{"name":"ETRS89-PRT [1995]","id":{"authority":"EPSG","code":1439}},{"name":"ETRS89-ROU [ETRF2000]","id":{"authority":"EPSG","code":1440}},{"name":"ETRS89-SVK [SKTRF09]","id":{"authority":"EPSG","code":1434}},{"name":"ETRS89-SVK [SKTRF2022]","id":{"authority":"EPSG","code":1435}},{"name":"EUREF-FIN","id":{"authority":"EPSG","code":1391}},{"name":"Istituto Geografico Militare 1995","id":{"authority":"EPSG","code":6670}},{"name":"Kosovo Reference System 2001","id":{"authority":"EPSG","code":1251}},{"name":"Latvian geodetic coordinate system 1992","id":{"authority":"EPSG","code":6661}},{"name":"Latvian coordinate system 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ETRF14","id":{"authority":"EPSG","code":1403}},{"name":"ETRS89-LUX [2025]","id":{"authority":"EPSG","code":1463}},{"name":"Swiss Terrestrial Reference System 1995","id":{"authority":"EPSG","code":6151}}],"ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101},"accuracy":"0.1","id":{"authority":"EPSG","code":6258}},"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":4258},"remarks":"Has been realized through ETRF89, ETRF90, ETRF91, ETRF92, ETRF93, ETRF94, ETRF96, ETRF97, ETRF2000, ETRF2005 and ETRF2014. This 'ensemble' covers any or all of these realizations without distinction."},"conversion":{"name":"Poland CS92","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":19,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":0.9993,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":500000,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":-5300000,"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":2180}},"target_crs":{"type":"GeographicCRS","name":"S-JTSK [JTSK03]","datum":{"type":"GeodeticReferenceFrame","name":"System of the Unified Trigonometrical Cadastral Network [JTSK03]","ellipsoid":{"name":"Bessel 1841","semi_major_axis":6377397.155,"inverse_flattening":299.1528128}},"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":8351},"remarks":"Defined by transformation from ETRS89 (ETRF2000 realization) (transformation code 8365) to improve the scale and homogeneity of S-JTSK (CRS 4156) within Slovakia."},"transformation":{"name":"ETRS89 to S-JTSK [JTSK03] (1)","method":{"name":"Coordinate Frame rotation (geog2D domain)","id":{"authority":"EPSG","code":9607}},"parameters":[{"name":"X-axis translation","value":-485.014055,"unit":"metre","id":{"authority":"EPSG","code":8605}},{"name":"Y-axis translation","value":-169.473618,"unit":"metre","id":{"authority":"EPSG","code":8606}},{"name":"Z-axis translation","value":-483.842943,"unit":"metre","id":{"authority":"EPSG","code":8607}},{"name":"X-axis rotation","value":7.78625453,"unit":{"type":"AngularUnit","name":"arc-second","conversion_factor":4.84813681109536e-06},"id":{"authority":"EPSG","code":8608}},{"name":"Y-axis rotation","value":4.39770887,"unit":{"type":"AngularUnit","name":"arc-second","conversion_factor":4.84813681109536e-06},"id":{"authority":"EPSG","code":8609}},{"name":"Z-axis rotation","value":4.10248899,"unit":{"type":"AngularUnit","name":"arc-second","conversion_factor":4.84813681109536e-06},"id":{"authority":"EPSG","code":8610}},{"name":"Scale difference","value":0,"unit":{"type":"ScaleUnit","name":"parts per million","conversion_factor":1e-06},"id":{"authority":"EPSG","code":8611}}],"id":{"authority":"EPSG","code":8365}}},"target_crs":{"type":"GeographicCRS","name":"S-JTSK","datum":{"type":"GeodeticReferenceFrame","name":"System of the Unified Trigonometrical Cadastral Network","ellipsoid":{"name":"Bessel 1841","semi_major_axis":6377397.155,"inverse_flattening":299.1528128}},"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":4156},"remarks":"Greenwich-referenced equivalent to S-JTSK (CRS code 4818). Technically improved and replaced through S-JTSK [JTSK03] in Slovakia, CRS code 8351. Remains the legal system in Czechia but see scientific working system CRSs 5228 and 5229."},"transformation":{"name":"S-JTSK [JTSK03] to S-JTSK (1)","source_crs":{"type":"GeographicCRS","name":"S-JTSK [JTSK03]","datum":{"type":"GeodeticReferenceFrame","name":"System of the Unified Trigonometrical Cadastral Network [JTSK03]","ellipsoid":{"name":"Bessel 1841","semi_major_axis":6377397.155,"inverse_flattening":299.1528128}},"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":8351},"remarks":"Defined by transformation from ETRS89 (ETRF2000 realization) (transformation code 8365) to improve the scale and homogeneity of S-JTSK (CRS 4156) within Slovakia."},"method":{"name":"NADCON","id":{"authority":"EPSG","code":9613}},"parameters":[{"name":"Latitude difference file","value":"Slovakia_JTSK03_to_JTSK.LAS","id":{"authority":"EPSG","code":8657}},{"name":"Longitude difference file","value":"Slovakia_JTSK03_to_JTSK.LOS","id":{"authority":"EPSG","code":8658}}],"id":{"authority":"EPSG","code":8364}}}