EPSG:6704

Mhast (onshore)

Attributes

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: ChevronTexaco.

Revision date: 2006-01-03

Scope: Oil and gas exploration and production.

Remarks: Adopted by oil industry with intention of being Mhast 1951 (code 6703) but incorrectly (for Mhast 1951) used the International 1924 ellipsoid. This datum differs by about 400 metres from the Portuguese Mhast 1951 and Camacupa datums.

Area of use: Angola (Cabinda) - onshore and offshore; The Democratic Republic of the Congo (Zaire) - onshore coastal area and offshore.

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WGS84 bounds:
13.1 -6.04
10.53 -4.38

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Definition: OGC Well Known Text

DATUM["Mhast_onshore",
    SPHEROID["International 1924",6378388,297,
        AUTHORITY["EPSG","7022"]],
    AUTHORITY["EPSG","6704"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Mhast (onshore)",
    ELLIPSOID["International 1924",6378388,297,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6704]]

Definition: ESRI Well Known Text

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

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Mhast (onshore)",
    "ellipsoid": {
        "name": "International 1924",
        "semi_major_axis": 6378388,
        "inverse_flattening": 297
    },
    "scope": "Oil and gas exploration and production.",
    "area": "Angola (Cabinda) - onshore and offshore; The Democratic Republic of the Congo (Zaire) - onshore coastal area and offshore.",
    "bbox": {
        "south_latitude": -6.04,
        "west_longitude": 10.53,
        "north_latitude": -4.38,
        "east_longitude": 13.1
    },
    "id": {
        "authority": "EPSG",
        "code": 6704
    }
}

Definition: GeoServer

6704-datum=DATUM["Mhast_onshore",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6704"]]