Topographic mapping.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Yemen National Geodetic Network 1996", "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "scope": "Topographic mapping.", "area": "Yemen - onshore and offshore.", "bbox": { "south_latitude": 8.95, "west_longitude": 41.08, "north_latitude": 19, "east_longitude": 57.96 }, "id": { "authority": "EPSG", "code": 6163 } }