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Lessons to be learned from Galileo signal outage

from Inside GNSS

From Oct. 2: Every GNSS has experienced a failure. On Jan. 26, 2016, an error in the GPS data upload system caused incorrect data to be transmitted from the satellites on the L1 band used by most commercial GPS receivers. The problem was resolved within six hours, although some users experienced problems for as much as 12 hours. The next day, the U.S. Air Force released a full statement explaining that the problem was caused by ground system software when one satellite was decommissioned. more

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