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Understanding GPS Principles and ApplicationsUnderstanding GPS Principles and Applications
Christopher Hegarty CHS '86

ISBN-10: 1580538940
ISBN-13: 978-1580538947

This thoroughly updated second edition of an Artech House bestseller brings together a team of leading experts who provide a current and comprehensive treatment of the Global Positioning System (GPS). The book covers all the latest advances in technology, applications, and systems. The second edition includes new chapters that explore the integration of GPS with vehicles and cellular telephones, new classes of satellite broadcast signals, the emerging GALILEO system, and new developments in the GPS marketplace. This single-source reference provides a quick overview of GPS essentials, an in-depth examination of advanced technical topics, and a review of emerging trends in the GPS industry.

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ThursdaysChelmsford High School'ssing that thing
The Thursday's
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"Congratulations to Amanda Roeder and the Thursdays! for their MUCH deserved win of the WGBH Sing that Thing competition. The show aired last Friday. If you are able to see this show online, (Click Here)I highly recommend you watch. They were amazing. Amanda has done so much for this group. I sincerely appreciate all of their hard work. They are great ambassadors for our school."  Steve Murray, CHS Principal 

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