metre
Engineering survey 2011 to 2015.
None
St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.
Data Source: EPSG v11.016 2024-08-31
Datum: St. Helena Tritan Vertical Datum 2011
Coordinate System: vertical
Projection: Undefined
Geodetic CRS: Undefined
VERTCRS["St. Helena Tritan 2011 height", VDATUM["St. Helena Tritan Vertical Datum 2011"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey 2011 to 2015."], AREA["St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore."], BBOX[-16.08,-5.85,-15.85,-5.59]], ID["EPSG",7889]]
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "St. Helena Tritan 2011 height", "datum": { "type": "VerticalReferenceFrame", "name": "St. Helena Tritan Vertical Datum 2011" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Engineering survey 2011 to 2015.", "area": "St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.", "bbox": { "south_latitude": -16.08, "west_longitude": -5.85, "north_latitude": -15.85, "east_longitude": -5.59 }, "id": { "authority": "EPSG", "code": 7889 } }
{'crs_wkt': 'VERTCRS["St. Helena Tritan 2011 height",VDATUM["St. Helena Tritan ' 'Vertical Datum 2011"],CS[vertical,1],AXIS["gravity-related height ' '(H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering survey ' '2011 to 2015."],AREA["St Helena, Ascension and Tristan da Cunha - ' 'St Helena Island - ' 'onshore."],BBOX[-16.08,-5.85,-15.85,-5.59]],ID["EPSG",7889]]', 'geopotential_datum_name': 'St. Helena Tritan Vertical Datum 2011'}