Gps
Edition: 2Rev Ed edition
Publisher: Discovery Walking Guides Ltd
Published: January 16, 2006
Format: Paperback
Number of pages: 80
ISBN-13: 9781904946229
Subjects: Active outdoor pursuits
First sentence: GPS is the abbreviated version of "Global Positioning System" used to describe devices which use the transmissions of navigation satellites to determine their position on, or above, the earth's surface.