EPSG:6673

Chatham Islands Datum 1979

Attributes

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

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

Revision date: 2008-06-24

Scope: Geodesy, engineering survey, topographic mapping.

Remarks: Replaces Chatham Islands Datum 1971 (code 6672). Replaced by New Zealand Geodetic Datum 2000 (code 6167) from March 2000.

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

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SimpleMap

WGS84 bounds:
-175.54 -44.64
-177.25 -43.3

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Definition: OGC Well Known Text

DATUM["Chatham_Islands_Datum_1979",
    SPHEROID["International 1924",6378388,297,
        AUTHORITY["EPSG","7022"]],
    AUTHORITY["EPSG","6673"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Chatham Islands Datum 1979",
    ELLIPSOID["International 1924",6378388,297,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6673]]

Definition: ESRI Well Known Text

DATUM["D_Chatham_Islands_1979",
    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 1979",
    "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": 6673
    }
}

Definition: GeoServer

6673-datum=DATUM["Chatham_Islands_Datum_1979",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6673"]]