No, only because it's not known at this time how many variables are actually involved in creating the GMA file. Besides, it's simpler and less annoying to simply unlock the map once using the combination of Mapset Unlocker and Garmin Image Unlocker then copy the resulting file to each card. No GMA file needed when using that combination of programs.
EDIT: I see Neil beat me to the punch.![]()
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