Convert coordinates from Garoua (EPSG:4197) to WGS 72BE (EPSG:4324) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 1 transformation between Garoua (EPSG:4197) and WGS 72BE (EPSG:4324). Its parameters, accuracy and area of use are listed below.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -56.1 | metre |
| Y-axis translation(ty) | -167.8 | metre |
| Z-axis translation(tz) | 13.1 | metre |
Derived in 1981 by Decca Survey France for Elf Serepca.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4197", "EPSG:4324", 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: Cameroon - Garoua area
+proj=longlat +a=6378249.145 +rf=293.465 +no_defs +type=crsMore about EPSG:4197 →
geographic system using latitude and longitude on an ellipsoid · Area of use: World
+proj=longlat +ellps=WGS72 +towgs84=0,0,1.9,0,0,0.814,-0.38 +no_defs +type=crsMore about EPSG:4324 →