{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalReferenceFrame","name":"Cais da Madalena","scope":"Geodesy, engineering survey, topographic mapping.","area":"Portugal - central Azores - Pico island onshore.","bbox":{"south_latitude":38.32,"west_longitude":-28.61,"north_latitude":38.61,"east_longitude":-27.98},"id":{"authority":"EPSG","code":1105}}