EPSG
EPSG Guidance Note #7-2.
2006-03-16
Geocentric to geographic 3D conversions and vice versa.
Geographic/geocentric conversions
Mauritania - onshore and offshore.
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Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "Mauritania 1999 geocentric to geog3D", "method": { "name": "Geographic/geocentric conversions", "id": { "authority": "EPSG", "code": 9602 } }, "id": { "authority": "EPSG", "code": 15574 } }