Convert coordinates from PD/83 (EPSG:4746) to ETRS89 (EPSG:4258) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 2 transformations between PD/83 (EPSG:4746) and ETRS89 (EPSG:4258). Each applies to a specific area — pick the one whose area of use covers your data.
Grid file: de_tlbg_thuringen_NTv2gridTH.gsb
Official transformation for the state of Thuringen used in ThuTrans. File also available in GTG format.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 599.4 | metre |
| Y-axis translation(ty) | 72.4 | metre |
| Z-axis translation(tz) | 419.2 | metre |
| X-axis rotation(rx) | -0.062 | arc-second |
| Y-axis rotation(ry) | -0.022 | arc-second |
| Z-axis rotation(rz) | -2.723 | arc-second |
| Scale difference(ds) | 6.46 | parts per million |
Derived at 10 points of the German GPS Network DREF.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4746", "EPSG:4258", 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: Germany - Thuringen
+proj=longlat +ellps=bessel +no_defs +type=crsMore about EPSG:4746 →
geographic system using latitude and longitude on an ellipsoid · Area of use: Europe - ETRF by country
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crsMore about EPSG:4258 →