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 SM", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Guadeloupe - onshore - St Martin island.", "bbox": { "south_latitude": 18.01, "west_longitude": -63.21, "north_latitude": 18.17, "east_longitude": -62.96 }, "id": { "authority": "EPSG", "code": 5214 } }