EPSG:6672

Chatham Islands Datum 1971

Attributes

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: Office of Surveyor General (OSG) Technical Report 14, June 2001.

Revision date: 2004-02-17

Scope: Geodesy, engineering survey, topographic mapping.

Remarks: Replaced by Chatham Islands Datum 1979 (code 6673).

Area of use: New Zealand - Chatham Islands group - onshore.

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WGS84 bounds:
-175.54 -44.64
-177.25 -43.3

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Definition: OGC Well Known Text

DATUM["Chatham_Islands_Datum_1971",
    SPHEROID["International 1924",6378388,297,
        AUTHORITY["EPSG","7022"]],
    AUTHORITY["EPSG","6672"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Chatham Islands Datum 1971",
    ELLIPSOID["International 1924",6378388,297,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6672]]

Definition: ESRI Well Known Text

DATUM["D_Chatham_Island_1971",
    SPHEROID["International_1924",6378388.0,297.0]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Chatham Islands Datum 1971",
    "ellipsoid": {
        "name": "International 1924",
        "semi_major_axis": 6378388,
        "inverse_flattening": 297
    },
    "scope": "Geodesy, engineering survey, topographic mapping.",
    "area": "New Zealand - Chatham Islands group - onshore.",
    "bbox": {
        "south_latitude": -44.64,
        "west_longitude": -177.25,
        "north_latitude": -43.3,
        "east_longitude": -175.54
    },
    "id": {
        "authority": "EPSG",
        "code": 6672
    }
}

Definition: GeoServer

6672-datum=DATUM["Chatham_Islands_Datum_1971",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6672"]]