Scope: Topographic mapping.
Area of use: Cameroon - onshore and offshore.
Definition: OGC Well Known Text
DATUM["Douala", SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627, AUTHORITY["EPSG","7011"]], AUTHORITY["EPSG","6228"]]
Definition: OGC Well Known Text 2 (2019)
DATUM["Douala", ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627, LENGTHUNIT["metre",1]], ID["EPSG",6228]]
Definition: ESRI Well Known Text
DATUM["D_Douala", SPHEROID["Clarke_1880_IGN",6378249.2,293.466021293627]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Douala", "ellipsoid": { "name": "Clarke 1880 (IGN)", "semi_major_axis": 6378249.2, "semi_minor_axis": 6356515 }, "scope": "Topographic mapping.", "area": "Cameroon - onshore and offshore.", "bbox": { "south_latitude": 1.65, "west_longitude": 8.32, "north_latitude": 13.09, "east_longitude": 16.21 }, "id": { "authority": "EPSG", "code": 6228 } }