EPSG:6738

Hong Kong 1963

Attributes

Ellipsoid: Clarke 1858

Prime meridian: Greenwich

Data source: EPSG

Information source: Survey and Mapping Office, Lands Department. http://www.info.gov.hk/landsd/

Revision date: 2022-12-12

Scope: Hydrography, topographic mapping.

Remarks: Replaced by Hong Kong 1963(67) for military purposes only in 1967. Replaced by Hong Kong 1980.

Area of use: China - Hong Kong - onshore and offshore.

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WGS84 bounds:
114.51 22.13
113.76 22.58

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Definition: OGC Well Known Text

DATUM["Hong_Kong_1963",
    SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,
        AUTHORITY["EPSG","7007"]],
    AUTHORITY["EPSG","6738"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Hong Kong 1963",
    ELLIPSOID["Clarke 1858",20926348,294.260676369261,
        LENGTHUNIT["Clarke's foot",0.3047972654]],
    ID["EPSG",6738]]

Definition: ESRI Well Known Text

DATUM["D_Hong_Kong_1963",
    SPHEROID["Clarke_1858",6378293.64520876,294.260676369261]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Hong Kong 1963",
    "ellipsoid": {
        "name": "Clarke 1858",
        "semi_major_axis": {
            "value": 20926348,
            "unit": {
                "type": "LinearUnit",
                "name": "Clarke's foot",
                "conversion_factor": 0.3047972654
            }
        },
        "semi_minor_axis": {
            "value": 20855233,
            "unit": {
                "type": "LinearUnit",
                "name": "Clarke's foot",
                "conversion_factor": 0.3047972654
            }
        }
    },
    "scope": "Hydrography, topographic mapping.",
    "area": "China - Hong Kong - onshore and offshore.",
    "bbox": {
        "south_latitude": 22.13,
        "west_longitude": 113.76,
        "north_latitude": 22.58,
        "east_longitude": 114.51
    },
    "id": {
        "authority": "EPSG",
        "code": 6738
    }
}

Definition: GeoServer

6738-datum=DATUM["Hong_Kong_1963",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,AUTHORITY["EPSG","7007"]],AUTHORITY["EPSG","6738"]]