Data source: EPSG
Information source: General Directorate of Land, http://www.dgterritorio.pt/
Revision date: 2013-04-10
Scope: Geodesy, engineering survey, topographic mapping.
Remarks: Orthometric heights.
Area of use: Portugal - central Azores - Graciosa island onshore.
Definition: OGC Well Known Text
VERT_DATUM["Santa Cruz da Graciosa",2005, AUTHORITY["EPSG","1106"]]
Definition: OGC Well Known Text 2 (2019)
VDATUM["Santa Cruz da Graciosa", ID["EPSG",1106]]
Definition: ESRI Well Known Text
VDATUM["Santa_Cruz_da_Graciosa"]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Santa Cruz da Graciosa", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Portugal - central Azores - Graciosa island onshore.", "bbox": { "south_latitude": 38.97, "west_longitude": -28.13, "north_latitude": 39.14, "east_longitude": -27.88 }, "id": { "authority": "EPSG", "code": 1106 } }