Version 5.02 of SurvCE now installs a single file that contains Geoid12B for the USA. You can now load it and never need to sub-set a GEOID using XPort again. This alone is worth updating to 5.02 for!
To load the GEOID select (from the main menu): Equip: Localization: GPS then click on the ‘Geoid File:’ button. There should be a ‘GEOIDS’ folder in the standard ‘Data’ folder:
It takes a few seconds to load the file on most data collectors, but the extra time is worth never having to produce another small Geoid file.