On 1/2/2012 2:37 PM, Jason Rausch wrote: > We're looking at going with APYTxx (YT for YagTracker) and that gives us up to 99 revisions :o) 36*36 = 1,296 if you use all possible alphanumeric combinations. Versions don't have to be user recognizable, but at least user differentiable. Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32