GPS made easy

A how-to guide for users of hand-held Global Positioning System receivers in
the outdoors. GPS receivers have revolutionised man?s ability to determine his
position on the surface of earth. GPS Made Easy tells you all you need to know
about using hand-held GPS receivers as a tool for accurate navigation in the
outdoors. It explains clearly how GPS works, describes the features of GPS
receivers and gives practical examples of how to use GPS receivers in a
variety of outdoor situations. 4th edit.