Global Positioning System: Who's Tracking You?

by Leon Gray

Book Overview

We usually think of GPS (Global Positioning System) as a good thing, especially if we're using it to find our way from place to place. GPS satellites, radio signals, and receivers work together to pinpoint our location and get us to our destination. Hikers, bicyclists, and even golfers are finding ways to use GPS to improve their athletic experiences. The military installs GPS in many kinds of equipment, vehicles, and weaponry. GPS has surprising...

• Format: Paperback
• Language: English
• ISBN: 143398640X
• ISBN13: 9781433986406
• Release Date: January 2013
• Publisher: Gareth Stevens Publishing
• Length: 48 Pages
• Weight: 0.55 lbs.
• Dimensions: 0.2" x 7.6" x 9.6"
• Age Range: 11 to 13 years
• Grade Range: Grades 6 to 8