Coordinate Reference Systems
Remarks
Reversible alternative to ISN93 to ISH2004 height (1) (code 9954). File is also available in NOAA VDatum format (Icegeoid_ISN93.gtx). Replaced by Icegeoid_ISN2004.
Frequently Asked Questions
What is the accuracy of the ISN93 to ISN93 + ISH2004 height transformation?
This transformation (EPSG:9955) has an accuracy of 0.05m using the Geog3D to Geog2D+GravityRelatedHeight (Gravsoft) method. Area of use: Iceland - onshore.