EPSG
US National Geospatial Intelligence Agency (NGA). http://earth-info.nga.mil/
2018-08-29
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Guam 1963", "ellipsoid": { "name": "Clarke 1866", "semi_major_axis": 6378206.4, "semi_minor_axis": 6356583.8 }, "scope": "Topographic mapping.", "area": "Guam - onshore. Northern Mariana Islands - onshore.", "bbox": { "south_latitude": 13.18, "west_longitude": 144.58, "north_latitude": 20.61, "east_longitude": 146.12 }, "id": { "authority": "EPSG", "code": 6675 } }