{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"Constanta height","datum":{"type":"VerticalReferenceFrame","name":"Constanta"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, engineering survey, topographic mapping.","area":"Romania - onshore.","bbox":{"south_latitude":43.62,"west_longitude":20.26,"north_latitude":48.27,"east_longitude":29.74},"id":{"authority":"EPSG","code":5781}}