"Eric Greenwell" wrote:

Also I would not find the instrument much help unless it could calculate
the required deviation from my current position around the mountain then
home.

That would be ideal, and I've suggested it to SeeYou, but it's not been
implemented. Maybe the next release. In the meantime, I've found the
warning is more useful than no warning.

GPS-LOG (Freeware!) is once more ahead of its commercial competitors: It can
display an outline of the reachable area taking terrain into account.

Good work Henryk!
Michael