{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"NN2000 height","datum":{"type":"DynamicVerticalReferenceFrame","name":"Norway Normal Null 2000","frame_reference_epoch":2000},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, engineering survey.","area":"Norway - onshore.","bbox":{"south_latitude":57.9,"west_longitude":4.39,"north_latitude":71.24,"east_longitude":31.32},"id":{"authority":"EPSG","code":5941}}