{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"GUVD04 height","datum":{"type":"VerticalReferenceFrame","name":"Guam Vertical Datum of 2004"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, engineering survey, 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":6644}}