Coordinate Reference Systems
Remarks
Uses CGG2013 model which uses bi-quadratic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time.
Frequently Asked Questions
What is the accuracy of the NAD83(CSRS) to CGVD2013(CGG2013) height transformation?
This transformation (EPSG:6648) has an accuracy of 0.03m using the Geographic3D to GravityRelatedHeight (NRCan byn) method. Area of use: Canada.