{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"GR96 + GVR2000 height","components":[{"type":"GeographicCRS","name":"GR96","datum_ensemble":{"name":"Greenland Reference 1996 ensemble","members":[{"name":"Greenland Reference 1996 (1996)","id":{"authority":"EPSG","code":1420}},{"name":"Greenland Reference 1996 (2021)","id":{"authority":"EPSG","code":1419}}],"ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101},"accuracy":"0.25","id":{"authority":"EPSG","code":1421}},"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 all earlier Greenland geographic CRSs (Ammassalik 1958, Qoornoq 1927 and Scoresbysund 1952)."},{"type":"VerticalCRS","name":"GVR2000 height","datum":{"type":"VerticalReferenceFrame","name":"Greenland Vertical Reference 2000"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Topographic mapping.","area":"Greenland - onshore and offshore between 59°N and 84°N and west of 10°W.","bbox":{"south_latitude":59,"west_longitude":-75,"north_latitude":84.01,"east_longitude":-10},"id":{"authority":"EPSG","code":8349}}