EPSG:6611

Hong Kong 1980

Attributes

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

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

Revision date: 2018-02-16

Scope: Geodesy, cadastre, engineering survey, topographic mapping.

Remarks: Replaces Hong Kong 1963 and Hong Kong 1963(67).

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_1980",
    SPHEROID["International 1924",6378388,297,
        AUTHORITY["EPSG","7022"]],
    AUTHORITY["EPSG","6611"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Hong Kong 1980",
    ELLIPSOID["International 1924",6378388,297,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6611]]

Definition: ESRI Well Known Text

DATUM["D_Hong_Kong_1980",
    SPHEROID["International_1924",6378388.0,297.0]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Hong Kong 1980",
    "ellipsoid": {
        "name": "International 1924",
        "semi_major_axis": 6378388,
        "inverse_flattening": 297
    },
    "scope": "Geodesy, cadastre, engineering survey, 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": 6611
    }
}

Definition: GeoServer

6611-datum=DATUM["Hong_Kong_1980",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6611"]]