EPSG
General Command of Mapping via EuroGeographics; http://www.crs-geo.eu/
2010-09-06
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Turkish National Reference Frame", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy.", "area": "Türkiye (Turkey) - onshore and offshore.", "bbox": { "south_latitude": 34.42, "west_longitude": 25.62, "north_latitude": 43.45, "east_longitude": 44.83 }, "id": { "authority": "EPSG", "code": 1057 } }