Data source: EPSG
Information source: IGN Paris
Revision date: 2008-09-17
Scope: Geodesy, engineering survey, topographic mapping.
Remarks: Orthometric heights.
Area of use: Guadeloupe - onshore - St Martin island.
Definition: OGC Well Known Text
VERT_DATUM["IGN 1988 SM",2005, AUTHORITY["EPSG","5214"]]
Definition: OGC Well Known Text 2 (2019)
VDATUM["IGN 1988 SM", ID["EPSG",5214]]
Definition: ESRI Well Known Text
VDATUM["IGN_1988_SM"]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/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 } }