EPSG:CODE

NAD83(CSRS)v6 to CGVD2013(CGG2013) height (1)

EPSG:8251 → EPSG:6647

Coordinate Reference Systems

Source CRS
EPSG:8251
NAD83(CSRS)v6
Geographic 3D
Target CRS
EPSG:6647
CGVD2013(CGG2013) height
Vertical

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. Replaced by CGG2013a model (CT code 9247).

Frequently Asked Questions

What is the accuracy of the NAD83(CSRS)v6 to CGVD2013(CGG2013) height transformation?

This transformation (EPSG:9246) has an accuracy of 0.03m using the Geographic3D to GravityRelatedHeight (NRCan byn) method. Area of use: Canada.