EPSG:27120 Naparima 1972 / UTM zone 20N
Projected system (Transverse Mercator) in use: Trinidad and Tobago - Tobago - onshore. The full definition below, and conversion in one click.
| Code | EPSG:27120 |
|---|---|
| Name | Naparima 1972 / UTM zone 20N |
| Type | Projected system — Transverse Mercator |
| Area of use | Trinidad and Tobago - Tobago - onshore |
| Bounds | W -60,90° · S 11,08° · E -60,44° · N 11,41° |
| Countries | Trinidad & Tobago |
| Datum | Naparima 1972 |
| Ellipsoid | International 1924 a = 6378388 m · 1/f = 297 |
| Base geographic system | EPSG:4271 — Naparima 1972 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | Naparima 1972 to WGS 84 (3) (EPSG:1307) — accuracy 26 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=-2,374,172 +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:27120.
WKT (ESRI format, the .prj content)
PROJCS["Naparima_1972_UTM_Zone_20N",GEOGCS["GCS_Naparima_1972",DATUM["D_Naparima_1972",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 — Trinidad & Tobago
- EPSG:2066Mount Dillon / Tobago Grid
- EPSG:2067Naparima 1955 / UTM zone 20N
- EPSG:2314Trinidad 1903 / Trinidad Grid (ftCla)
- EPSG:4157Mount Dillon
- EPSG:4158Naparima 1955
- EPSG:4271Naparima 1972
- EPSG:4302Trinidad 1903
- EPSG:8035WGS 84 / TM Zone 20N (ftUS)
- EPSG:8036WGS 84 / TM Zone 21N (ftUS)
- EPSG:30200Trinidad 1903 / Trinidad Grid
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.