Self-monitoring satellite system
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United States of America Patent
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Dec 23, 2003
Issued Date -
N/A
app pub date -
Aug 24, 2001
filing date -
Aug 24, 2001
priority date (Note) -
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Abstract
A self-monitoring satellite system is disclosed to more quickly and accurately convey satellite signal information and verification of its reliability to users of the signal. In a first aspect, the satellite includes one or more receivers on the satellite to monitor the reliability of signals transmitted from the satellite. In a second aspect, a warning signal is generated and transmitted substantially simultaneous with an unreliable satellite signal and at the same frequency as the satellite signal. Exemplary embodiments to implement the various aspects of the self-monitoring satellite system invention are configured as global positioning system (GPS) satellites, signals, and receivers.
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