Convert coordinates from GSK-2011 (EPSG:7681) to PZ-90.11 (EPSG:7679) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 1 transformation between GSK-2011 (EPSG:7681) and PZ-90.11 (EPSG:7679). Its parameters, accuracy and area of use are listed below.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 0 | metre |
| Y-axis translation(ty) | 0.014 | metre |
| Z-axis translation(tz) | -0.008 | metre |
| X-axis rotation(rx) | -0.562 | milliarc-second |
| Y-axis rotation(ry) | -0.019 | milliarc-second |
| Z-axis rotation(rz) | 0.053 | milliarc-second |
| Scale difference(ds) | -0.0006 | parts per million |
| epoch | 2011 | year |
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:7681", "EPSG:7679", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)geocentric Cartesian system (Earth-centred Earth-fixed) · Area of use: Russia
+proj=geocent +ellps=GSK2011 +units=m +no_defs +type=crsMore about EPSG:7681 →
geocentric Cartesian system (Earth-centred Earth-fixed) · Area of use: World
+proj=geocent +a=6378136 +rf=298.257839303 +units=m +no_defs +type=crsMore about EPSG:7679 →