{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalReferenceFrame","name":"Macao Height Datum","scope":"Geodesy, engineering survey, topographic mapping.","area":"Macao - onshore and offshore.","bbox":{"south_latitude":22.06,"west_longitude":113.52,"north_latitude":22.23,"east_longitude":113.68},"id":{"authority":"EPSG","code":1210}}