{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"LKS-2020 + Latvia 2000 height","components":[{"type":"GeographicCRS","name":"LKS-2020","datum":{"type":"GeodeticReferenceFrame","name":"Latvian coordinate system 2020","anchor_epoch":2020.28,"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"}]},"remarks":"Replaces LKS-92 (CRS code 4661) from 2026-10-01."},{"type":"VerticalCRS","name":"Latvia 2000 height","datum":{"type":"VerticalReferenceFrame","name":"Latvian Height System 2000"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Reversible geoid model transformation.","area":"Latvia - onshore.","bbox":{"south_latitude":55.67,"west_longitude":20.87,"north_latitude":58.09,"east_longitude":28.24},"id":{"authority":"EPSG","code":10839}}