Originally Posted By: KenK
... One other bit of navigation advice ... if using a GPS bring along plenty of extra batteries. I once had to borrow a few batteries from a Girl Scout while trying to show them how a GPS works (Mine died and I forgot to bring extras). That may have been in my top 10 most embarrassing moments in life...
I've always thought that it was best to learn from other people's mistakes/experience. It may not have been planned, but your demonstration of what happens when you let your batteries run down without back-ups will probably stay with those students all their life -- and nobody got lost. Excellent...