Missao Hidrografico Angola y Sao Tome 1951

Attributes

Prime meridian: Greenwich

Data source: EPSG

Information source: Various industry sources.

Revision date: 2006-01-03

Scope: Coastal hydrography.

Remarks: A variation of this datum has been adopted by the oil industry but incorrectly using the International 1924 ellipsoid and not tied to the official Portuguese triangulation - see Mhast (onshore) and Mhast (offshore) (codes 6704 and 6705).

Area of use: Angola - Cabinda.

Covered area powered by MapTiler

WGS84 bounds:
13.1 -6.04
10.53 -4.38

Definition: OGC Well Known Text

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DATUM["Missao_Hidrografico_Angola_y_Sao_Tome_1951",
    SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,
        AUTHORITY["EPSG","7012"]],
    AUTHORITY["EPSG","6703"]]

Definition: OGC Well Known Text 2 (2019)

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DATUM["Missao Hidrografico Angola y Sao Tome 1951",
    ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6703]]

Definition: ESRI Well Known Text

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DATUM["D_Mhast_1951",
    SPHEROID["Clarke_1880_RGS",6378249.145,293.465]]

Definition: JSON

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{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Missao Hidrografico Angola y Sao Tome 1951",
    "ellipsoid": {
        "name": "Clarke 1880 (RGS)",
        "semi_major_axis": 6378249.145,
        "inverse_flattening": 293.465
    },
    "scope": "Coastal hydrography.",
    "area": "Angola - Cabinda.",
    "bbox": {
        "south_latitude": -6.04,
        "west_longitude": 10.53,
        "north_latitude": -4.38,
        "east_longitude": 13.1
    },
    "id": {
        "authority": "EPSG",
        "code": 6703
    }
}

Definition: GeoServer

6703-datum=DATUM["Missao_Hidrografico_Angola_y_Sao_Tome_1951",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]],AUTHORITY["EPSG","6703"]]

EPSG:6703