(Hardback)

(Paperback, Third Edition)

Starting with essential definitions such as UTM coordinate systems, position formats, and map datums, and moving on using your GPS with a computer, this book teaches you what you really need to know for outdoor GPS use, including basic map-and-compass skills and primitive navigation techniques that you can use if your GPS unit fails.

(Hardback, Third Edition)

Starting with essential definitions such as UTM coordinate systems, position formats, and map datums, and moving on using your GPS with a computer, this book teaches you what you really need to know for outdoor GPS use, including basic map-and-compass skills and primitive navigation techniques that you can use if your GPS unit fails.