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+-   SPAM: Can we trust our GPS devices? on Tuesday June 10 2008, @12:08PM Roland Piquepaille

Submitted by Roland Piquepaille on Tuesday June 10 2008, @12:08PM
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Roland Piquepaille writes "In recent years, we have become increasingly dependent on applications using the Global Positioning System (GPS), such as railway control, highway traffic management, emergency response or commercial aviation. But in a very short news release, the American Geophysical Union (AGU) warns us that we can't always trust our GPS gadgets because 'electrical activity in the upper atmospheric zone called the ionosphere can tamper with signals from GPS satellites.' However, new research studies are under way and 'may lead to regional predictions of reduced GPS reliability and accuracy.' But read more for additional details and a picture showing the next-generation Global Positioning System satellites known as GPS III."
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