Gray, Leon
How does GPS work? Leon Gray - New York, N.Y. Gareth Stevens Publishing 2014 - 48 pages color illustrations, color maps 29 cm. - High-tech science .
What is GPS? -- GPS and the military -- GPS navigation -- Mapping the world -- GPS safety -- Tracking technology.
Describes what GPS is, its beginnings as a military system, and its many modern uses, such as catching criminals, predicting earthquakes, and creating maps.
9 - 12 years
9781482403930 9781482403947 (pbk.) 9781482403930
2014415065
Global Positioning System
j910.285 Gra 29
How does GPS work? Leon Gray - New York, N.Y. Gareth Stevens Publishing 2014 - 48 pages color illustrations, color maps 29 cm. - High-tech science .
What is GPS? -- GPS and the military -- GPS navigation -- Mapping the world -- GPS safety -- Tracking technology.
Describes what GPS is, its beginnings as a military system, and its many modern uses, such as catching criminals, predicting earthquakes, and creating maps.
9 - 12 years
9781482403930 9781482403947 (pbk.) 9781482403930
2014415065
Global Positioning System
j910.285 Gra 29