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New cosmos vision improves GPS satellite precision leaving atomic clock in the star dust

by Rus Abz 2011-05-09 10:51

GPS satellites are getting new "eyeglasses" to look deeper into cosmos seeking ways to provide a better precision to GPS receivers. Even thou the atomic clock carried on board of ech gps satellite and even embedded as a tiny chip into most accurate gps receivers has been a source of extremely accurate timing ticks for gps system, NASA scientists are looking into new ways to make gps even more precise. How? By giving each satellite new vision devices, readiotelescopes which can lock on the extremely remote cosmos.

The GPS "ephemeris" precision or, in simpler words, an exact point of satellite's orbital position, is the fundamental and extremely important accuracy building block for each and every satellite in the constellation as they constantly exchange positioning data to build the multi dimensional virtual model guiding the whole gps system motion. Moreover, NASA's space flight research center recent Cosmos Quasar findings indicate that not only the satellites position in relevance to the Earth, but Earth orientation in relevance to galaxy has to be precisely known to build in real time the gps virtual model in memory of data processing center array of supercomputers. 

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