{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeodeticCRS","name":"PZ-90","datum":{"type":"DynamicGeodeticReferenceFrame","name":"Parametry Zemli 1990","frame_reference_epoch":1990,"ellipsoid":{"name":"PZ-90","semi_major_axis":6378136,"inverse_flattening":298.257839303}},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Geocentric X","abbreviation":"X","direction":"geocentricX","unit":"metre"},{"name":"Geocentric Y","abbreviation":"Y","direction":"geocentricY","unit":"metre"},{"name":"Geocentric Z","abbreviation":"Z","direction":"geocentricZ","unit":"metre"}]},"scope":"Geodesy. Navigation and positioning using Glonass satellite system.","area":"World.","bbox":{"south_latitude":-90,"west_longitude":-180,"north_latitude":90,"east_longitude":180},"id":{"authority":"EPSG","code":4922},"remarks":"Replaced by PZ-90.02 from 2007-09-20."}