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Author Gray, Leon, 1974- author.
Title How does GPS work? / Leon Gray.
Pub Info New York, NY : Gareth Stevens Publishing, 2014.
book jacket
 Oak Bluffs-Children's  J 623.89 GRA     AVAILABLE
Descript 48 pages : color illustrations, color maps ; 29 cm.
text txt rdacontent
unmediated n rdamedia
volume nc rdacarrier
Series High-tech science
High-tech science.
Bibliog. Includes bibliographical references (page 47) and index.
Contents What Is GPS? -- GPS and the Military -- GPS Navigation -- Mapping the World -- GPS Safety -- Tracking Technology.
Summary Explores the history and development of the Global Positioning System, and discusses how it is used today to help catch criminals, predict natural disasters, and measure the impact of human activities on the environment.
Subject Global Positioning System -- Juvenile literature.
Digital mapping -- Juvenile literature.
Global Positioning System.
Digital mapping.
ISBN 9781482403930
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