EPSG:1177

St. Helena Vertical Datum 2015

Attributes

Data source: EPSG

Information source: St. Helena Government, Environment and Natural Resources Directorate (ENRD).

Revision date: 2016-11-25

Scope: Geodesy, engineering survey, topographic mapping.

Remarks: Defined by SHGEOID15 geoid model (transformation code 7891) applied to SHGD2015 (CRS code 7885).

Area of use: St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.

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Definition: Well Known Text (WKT)

VERT_DATUM["St. Helena Vertical Datum 2015",2005,
    AUTHORITY["EPSG","1177"]]

Definition: ESRI WKT

VDATUM["St_Helena_Vertical_Datum_2015"]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "VerticalReferenceFrame",
    "name": "St. Helena Vertical Datum 2015",
    "scope": "Geodesy, engineering survey, topographic mapping.",
    "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": -5.58
    },
    "id": {
        "authority": "EPSG",
        "code": 1177
    }
}

Definition: GeoServer

1177-datum=VERT_DATUM["St. Helena Vertical Datum 2015",2005,AUTHORITY["EPSG","1177"]]

Definition: OGC WKT

VERT_DATUM["St. Helena Vertical Datum 2015",2005,AUTHORITY["EPSG","1177"]]

Definition: OGC WKT 2 (2019)

VDATUM["St. Helena Vertical Datum 2015",ID["EPSG",1177]]