Essential reading for all travellers who explore the Australian bush, this informative guide covers all of the many aspects of GPS usage. Starting with simplified background technical details, it moves on to the key things to consider when purchasing a GPS (such as screen size, maps supplied as standard, optional maps, map updates, memory size, card readers and USB connectivity), followed by a step-by-step explanation, with examples of how to get the best out of your GPS. All of this is linked in with comprehensive coverage of basic map reading techniques and how to integrate these skills with what is being displayed on a GPS screen.