Perform Vertical Datum Shifts

Requires the files for the geoid, get on the Geology/Geography tab of the options form.

Sub-Options on Edit  menu

• WGS84 elllipsoid to EGM2008
• EGM2008 to WGS84 ellipsoid
• EGM96 to EGM2008

References

• EGM
• The Geoid
• Vertical datums

Last revision 1/26/2023