EPSG:6712

Ascension Island 1958

Attributes

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: DMA / NIMA / NGA TR8350.2 (3rd edition, Amendment 1, 3 January 2000).

Revision date: 2006-01-26

Scope: Military survey.

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

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WGS84 bounds:
-14.24 -8.03
-14.46 -7.83

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Definition: OGC Well Known Text

DATUM["Ascension_Island_1958",
    SPHEROID["International 1924",6378388,297,
        AUTHORITY["EPSG","7022"]],
    AUTHORITY["EPSG","6712"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Ascension Island 1958",
    ELLIPSOID["International 1924",6378388,297,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6712]]

Definition: ESRI Well Known Text

DATUM["D_Ascension_Island_1958",
    SPHEROID["International_1924",6378388.0,297.0]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Ascension Island 1958",
    "ellipsoid": {
        "name": "International 1924",
        "semi_major_axis": 6378388,
        "inverse_flattening": 297
    },
    "scope": "Military survey.",
    "area": "St Helena, Ascension and Tristan da Cunha - Ascension Island - onshore.",
    "bbox": {
        "south_latitude": -8.03,
        "west_longitude": -14.46,
        "north_latitude": -7.83,
        "east_longitude": -14.24
    },
    "id": {
        "authority": "EPSG",
        "code": 6712
    }
}

Definition: GeoServer

6712-datum=DATUM["Ascension_Island_1958",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6712"]]