Outdoors: A Practical Guide to GPS

National Resources Canada offers Don Bartlett's instruction manual on GPS, including the basic features a buyer should expect of a handheld unit, and the limitations and potential inaccuracies of readings collected by GPS. The site is intended for "hikers, fishermen, hunters and all persons who wish to traverse the wilderness in the full knowledge of where they are, where they have been and where they wish to go." <http://www.dbartlett.com/>