EPSG
IGN Paris
2008-09-17
Geodesy, engineering survey, topographic mapping.
Orthometric heights.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "IGN 1988 MG", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Guadeloupe - onshore - Marie-Galante.", "bbox": { "south_latitude": 15.8, "west_longitude": -61.39, "north_latitude": 16.05, "east_longitude": -61.13 }, "id": { "authority": "EPSG", "code": 5211 } }