Downloading GPS-H 3.2.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The program is included in Education Tools. The following version: 3.2 is the most frequently downloaded one by the program users. We recommend checking the downloaded files with any free antivirus. Commonly, this program's installer has the following filenames: GPS-H.exe and GPSH.exe etc. This free software was originally developed by NRCan GSD.
From the developer:
GPS-H is a free program that allows GPS users to convert their ellipsoidal heights in either NAD83 (CSRS) or ITRF/WGS84 to orthometric heights H (heights above mean sea level) by applying at each location a geoid height N derived from a geoid model (or Height Transformation).
You may want to check out more software, such as MathMatic, MemBrain or roboBASIC, which might be similar to GPS-H.
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