Coordinate Reference Systems
Remarks
Determined at 35 points, SD 0.012m. Offset: mean -0.178m, minimum -0.199m, maximum -0.159m.
Frequently Asked Questions
What is the accuracy of the ODN height to EVRF2019 height transformation?
This transformation (EPSG:9561) has an accuracy of 0.024m using the Vertical Offset by Grid Interpolation (asc) method. Area of use: UK - Great Britain mainland onshore.