{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalReferenceFrame","name":"Guam Vertical Datum of 1963","scope":"Geodesy, topographic mapping.","area":"Guam - onshore.","bbox":{"south_latitude":13.18,"west_longitude":144.58,"north_latitude":13.7,"east_longitude":145.01},"id":{"authority":"EPSG","code":1122}}