Coordinate Reference Systems
Remarks
The Baltic 1977 vertical reference surface is 28m above the Caspian vertical reference surface.
Frequently Asked Questions
What is the accuracy of the Baltic 1977 depth to Caspian depth transformation?
This is an exact transformation (EPSG:5440) with no loss of precision (0m accuracy) using the Vertical Offset method. Area of use: Asia - FSU - Caspian Sea.