Convert coordinates from Trinidad 1903 (EPSG:4302) to WGS 84 (EPSG:4326) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 2 transformations between Trinidad 1903 (EPSG:4302) and WGS 84 (EPSG:4326). Each applies to a specific area — pick the one whose area of use covers your data.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -61.702 | metre |
| Y-axis translation(ty) | 284.488 | metre |
| Z-axis translation(tz) | 472.052 | metre |
Derived in 1989 by ONI for Amoco.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -61 | metre |
| Y-axis translation(ty) | 285.2 | metre |
| Z-axis translation(tz) | 471.6 | metre |
Parameter values provided to EOG by Trinidad Ministry of Energy and Energy Industries. Used by EOG offshore Trinidad (including Pelican, Kiskadee and Ibis fields) since 1996.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4302", "EPSG:4326", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)geographic system using latitude and longitude on an ellipsoid · Area of use: Trinidad and Tobago - Trinidad
+proj=longlat +a=6378293.64520876 +b=6356617.98767984 +no_defs +type=crsMore about EPSG:4302 →
geographic system using latitude and longitude on an ellipsoid · Area of use: World (by country)
+proj=longlat +datum=WGS84 +no_defs +type=crsMore about EPSG:4326 →