{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"DatumEnsemble","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}}