EPSG:2970 Guadeloupe 1948 / UTM zone 20N
Projected system (Transverse Mercator) in use: Guadeloupe - Grande-Terre and surrounding islands - onshore. The full definition below, and conversion in one click.
| Code | EPSG:2970 |
|---|---|
| Name | Guadeloupe 1948 / UTM zone 20N |
| Type | Projected system — Transverse Mercator |
| Area of use |
Guadeloupe - Grande-Terre and surrounding islands - onshore Guadeloupe - onshore - Basse-Terre, Grande-Terre, La Desirade, Marie-Galante, Les Saintes. |
| Bounds | W -61,85° · S 15,80° · E -60,97° · N 16,55° |
| Countries | Guadeloupe |
| Datum | Guadeloupe 1948 |
| Ellipsoid | International 1924 a = 6378388 m · 1/f = 297 |
| Base geographic system | EPSG:4622 — Guadeloupe 1948 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | Guadeloupe 1948 to WGS 84 (2) (EPSG:1905) — accuracy 0.1 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -63 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=utm +zone=20 +ellps=intl +units=m +towgs84=-472.29,-5.63,-304.12,0.4362,-0.8374,0.2563,1.8984 +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:2970.
WKT (ESRI format, the .prj content)
PROJCS["Sainte_Anne_UTM_20N",GEOGCS["GCS_Sainte_Anne",DATUM["D_Sainte_Anne",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",0.0],PARAMETER["Central_Meridian",-63.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Other systems — Guadeloupe
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.