EPSG:4673 Chatham Islands 1979
Geographic system in latitude and longitude, in use: New Zealand - Chatham Islands group. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4673 |
|---|---|
| Name | Chatham Islands 1979 |
| Type | Geographic system |
| Area of use |
New Zealand - Chatham Islands group New Zealand - Chatham Islands group - onshore. |
| Bounds | W -177,25° · S -44,64° · E -175,54° · N -43,30° |
| Countries | New Zealand |
| Datum | Chatham Islands Datum 1979 |
| Ellipsoid | International 1924 a = 6378388 m · 1/f = 297 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | CI1979 to WGS 84 (1) (EPSG:1081) — accuracy 2 m |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=intl +towgs84=174.05,-25.49,112.57,0,0,0.554,0.2263 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4673.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Chatham_Islands_1979",DATUM["D_Chatham_Islands_1979",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — New Zealand
- EPSG:2133NZGD2000 / UTM zone 58S
- EPSG:2134NZGD2000 / UTM zone 59S
- EPSG:2135NZGD2000 / UTM zone 60S
- EPSG:2193NZGD2000 / New Zealand Transverse Mercator 2000
- EPSG:3764NZGD2000 / Chatham Island Circuit 2000
- EPSG:3788NZGD2000 / Auckland Islands TM 2000
- EPSG:3789NZGD2000 / Campbell Island TM 2000
- EPSG:3790NZGD2000 / Antipodes Islands TM 2000
- EPSG:3791NZGD2000 / Raoul Island TM 2000
- EPSG:3793NZGD2000 / Chatham Islands TM 2000
- EPSG:3851NZGD2000 / NZCS2000
- EPSG:3994WGS 84 / Mercator 41
- EPSG:4167NZGD2000
- EPSG:4272NZGD49
- EPSG:4672Chatham Islands 1971
- EPSG:5518CI1971 / Chatham Islands Map Grid
- EPSG:5519CI1979 / Chatham Islands Map Grid
- EPSG:5700NZGD2000 / UTM zone 1S
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.