Our website provides a free download of Geoid GGM06 1.02. Geoid GGM06 relates to Photo & Graphics Tools. The following version: 1.0 is the most frequently downloaded one by the program users. The actual developer of the free software is Ashtech.
From the developer:
Geoid GGM06 is a free program that provides the vertical shift file for Mexican Geoid Model GGM06. The program allows you to study the robustness of the current base network, you can design of reinforcement links and
evaluate a simultaneous adjustment.
You may want to check out more software, such as Geoida, Geoid Model Reader or GPS-H, which might be similar to Geoid GGM06.