{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalReferenceFrame","name":"Bhutan Vertical Datum 2022","scope":"Geodesy, engineering survey, topographic mapping.","area":"Bhutan.","bbox":{"south_latitude":26.7,"west_longitude":88.74,"north_latitude":28.33,"east_longitude":92.13},"id":{"authority":"EPSG","code":1451}}