{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"ETRS89/DREF91/2016 + DHHN2016 height","components":[{"type":"GeographicCRS","name":"ETRS89/DREF91/2016","datum":{"type":"GeodeticReferenceFrame","name":"ETRS89/DREF91 Realization 2016","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":"German national realization of ETRS89. Replaces ETRS89/DREF91 Realization 2002 from 2016-12-01."},{"type":"VerticalCRS","name":"DHHN2016 height","datum":{"type":"VerticalReferenceFrame","name":"Deutsches Haupthoehennetz 2016"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Spatial referencing.","area":"Germany - onshore and offshore.","bbox":{"south_latitude":47.27,"west_longitude":3.34,"north_latitude":55.92,"east_longitude":15.04},"id":{"authority":"EPSG","code":10293}}