(GPS) could begin to fail in 2010 according to this article that references this GAO report.
I think these claims are a tad bit exaggerated but clearly the satellite-based network needs continuous maintenance and launching of replacement units. Civilian users are unlikely to see any degradation in navigation services as it only takes a fix on three satellites for determination of a two-dimensional location on Earth's surface, and most receivers can easily detect eight satellites at a time.
Having said that, I hope you haven't thrown your old compass away.
Tuesday, May 19, 2009
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