EPSG
St. Helena Government, Environment and Natural Resources Directorate (ENRD).
2020-01-16
Engineering survey including Airport and Ruperts Wharf construction.
St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "St. Helena Tritan", "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "scope": "Engineering survey including Airport and Ruperts Wharf construction.", "area": "St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.", "bbox": { "south_latitude": -16.08, "west_longitude": -5.85, "north_latitude": -15.85, "east_longitude": -5.59 }, "id": { "authority": "EPSG", "code": 1173 } }