Gps
Publisher: Discovery Walking Guides Ltd; Discovery Walking Guides
Published: March 14, 2003
Format: Paperback
Number of pages: 80
ISBN-13: 9781899554461
Subjects: Active outdoor pursuits; TRAVEL & HOLIDAY; Sports
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.