Coordinate Reference Systems
Remarks
File is also available in NOAA VDatum format (Icegeoid_ISN93.gtx). For reversible alternative to this transformation see ISN93 to ISN93 + ISH2004 height (1) (CT code 9955). Replaced by Icegeoid_ISN2004 (CT code 9956).
Frequently Asked Questions
What is the accuracy of the ISN93 to ISH2004 height transformation?
This transformation (EPSG:9954) has an accuracy of 0.05m using the Geographic3D to GravityRelatedHeight (Gravsoft) method. Area of use: Iceland - onshore.