Introduction To GPS Units For Hiking and Walking - GPS means Global Positioning System. No matter what you call them, hiking GPS, walking GPS or handheld GPS units, they are small devices you hold in your hand to locate your position around the world and are particularly useful when hiking across landscapes with few features. A hiking GPS receives signals that are transmitted by a number of satellites orbiting the globe and translates them into your precise location on the planet. Some hiking GPS devices also enable you to follow a sequence of planned co-ordinates named waypoints, that is, co-ordinates [...] Read the rest of this entry »