metre
Engineering survey 2011 to 2015.
None
St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.
Data Source: EPSG v11.022 2024-11-05
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'}