EPSG:6710

Astro DOS 71

Attributes

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: DMA / NIMA / NGA TR8350.2 (3rd edition, Amendment 1, 3 January 2000) and St. Helena Government, Environment and Natural Resources Directorate (ENRD).

Revision date: 2016-12-15

Scope: Geodesy, topographic mapping.

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

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SimpleMap

WGS84 bounds:
-5.59 -16.08
-5.85 -15.85

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Definition: OGC Well Known Text

DATUM["Astro_DOS_71",
    SPHEROID["International 1924",6378388,297,
        AUTHORITY["EPSG","7022"]],
    AUTHORITY["EPSG","6710"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Astro DOS 71",
    ELLIPSOID["International 1924",6378388,297,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6710]]

Definition: ESRI Well Known Text

DATUM["D_DOS_71_4",
    SPHEROID["International_1924",6378388.0,297.0]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Astro DOS 71",
    "ellipsoid": {
        "name": "International 1924",
        "semi_major_axis": 6378388,
        "inverse_flattening": 297
    },
    "scope": "Geodesy, 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": -5.59
    },
    "id": {
        "authority": "EPSG",
        "code": 6710
    }
}

Definition: GeoServer

6710-datum=DATUM["Astro_DOS_71",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6710"]]