EPSG:5871 - HHWLT height

Attributes

Unit

metre

Scope

Hydrography and nautical charting.

Remarks

None

Area of use

World.

Data Source: EPSG v11.016 2024-08-31

Datum: Higher High Water Large Tide

Coordinate System: vertical

Projection: Undefined

Geodetic CRS: Undefined

Export

VERTCRS["HHWLT height",
    VDATUM["Higher High Water Large Tide"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Hydrography and nautical charting."],
        AREA["World."],
        BBOX[-90,-180,90,180]],
    ID["EPSG",5871]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "VerticalCRS",
  "name": "HHWLT height",
  "datum": {
    "type": "VerticalReferenceFrame",
    "name": "Higher High Water Large Tide"
  },
  "coordinate_system": {
    "subtype": "vertical",
    "axis": [
      {
        "name": "Gravity-related height",
        "abbreviation": "H",
        "direction": "up",
        "unit": "metre"
      }
    ]
  },
  "scope": "Hydrography and nautical charting.",
  "area": "World.",
  "bbox": {
    "south_latitude": -90,
    "west_longitude": -180,
    "north_latitude": 90,
    "east_longitude": 180
  },
  "id": {
    "authority": "EPSG",
    "code": 5871
  }
}
{'crs_wkt': 'VERTCRS["HHWLT height",VDATUM["Higher High Water Large '
            'Tide"],CS[vertical,1],AXIS["gravity-related height '
            '(H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Hydrography and '
            'nautical '
            'charting."],AREA["World."],BBOX[-90,-180,90,180]],ID["EPSG",5871]]',
 'geopotential_datum_name': 'Higher High Water Large Tide'}