I notice our local outdoor shop has National Geographic's Topo! maps on sale. Has anyone used them? How well do they work? What's the best GPS unit to use with them? (I wish I could just use my iPhone ...
When was the last time you planned a backpacking trip without a computer, phone, or GPS unit? Think hard. Unless you're a dedicated old-schooler, it probably wasn't recently. If your map skills are ...
National Geographic Maps of the US and Satmap Systems of the UK have partnered to launch the Active 10 TREK GPS unit for sale in the US. The content offered on Satmap devices will include the complete ...
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