EPSG:3304 Tahiti 79 / UTM zone 6S
Projected system (Transverse Mercator) in use: French Polynesia - Society Islands - Tahiti. The full definition below, and conversion in one click.
| Code | EPSG:3304 |
|---|---|
| Name | Tahiti 79 / UTM zone 6S |
| Type | Projected system — Transverse Mercator |
| Area of use | French Polynesia - Society Islands - Tahiti |
| Bounds | W -149,70° · S -17,93° · E -149,09° · N -17,44° |
| Countries | French Polynesia |
| Datum | Tahiti 79 |
| Ellipsoid | International 1924 a = 6378388 m · 1/f = 297 |
| Base geographic system | EPSG:4690 — Tahiti 79 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | Tahiti 79 to WGS 84 (2) (EPSG:8830) — accuracy 1 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -147 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 10000000 | metre |
proj4 definition
+proj=utm +zone=6 +south +ellps=intl +units=m +towgs84=221.597,152.441,176.523,2.403,1.3893,0.884,11.4648 +no_defs
Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:3304.
WKT (ESRI format, the .prj content)
PROJCS["Tahiti_1979_UTM_Zone_6S",GEOGCS["GCS_Tahiti_1979",DATUM["D_Tahiti_1979",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",10000000.0],PARAMETER["Central_Meridian",-147.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]
Other systems — French Polynesia
- EPSG:2976Tahiti 52 / UTM zone 6S
- EPSG:2977Tahaa 54 / UTM zone 5S
- EPSG:2978IGN72 Nuku Hiva / UTM zone 7S
- EPSG:3296RGPF / UTM zone 5S
- EPSG:3297RGPF / UTM zone 6S
- EPSG:3298RGPF / UTM zone 7S
- EPSG:3299RGPF / UTM zone 8S
- EPSG:3302IGN63 Hiva Oa / UTM zone 7S
- EPSG:3303Fatu Iva 72 / UTM zone 7S
- EPSG:3305Moorea 87 / UTM zone 6S
- EPSG:3306Maupiti 83 / UTM zone 5S
- EPSG:4628Tahiti 52
- EPSG:4629Tahaa 54
- EPSG:4630IGN72 Nuku Hiva
- EPSG:4687RGPF
- EPSG:4688Fatu Iva 72
- EPSG:4689IGN63 Hiva Oa
- EPSG:4690Tahiti 79
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.