{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"EH2000 height","datum":{"type":"VerticalReferenceFrame","name":"Estonian Height System 2000"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, engineering survey, topographic mapping.","area":"Estonia - onshore.","bbox":{"south_latitude":57.52,"west_longitude":21.74,"north_latitude":59.75,"east_longitude":28.2},"id":{"authority":"EPSG","code":9663}}