Coordinate Reference Systems
Remarks
Reversible alternative to NAD83(2011) to VIVD09 height (2) (code 9231). Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information.
Frequently Asked Questions
What is the accuracy of the NAD83(2011) to NAD83(2011) + VIVD09 height transformation?
This transformation (EPSG:9623) has an accuracy of 0.015m using the Geog3D to Geog2D+GravityRelatedHeight (NGS bin) method. Area of use: Virgin Islands, US - onshore.