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Solar flare knocks out GPS signals.(BoatU.S.reports)
How are your dead reckoning skills? It might be wise to brush up as scientists at a national forum on space weather predict potentially severe disruptions of the GPS signal due to solar flares.
A solar burst last Dec. 6 disrupted or interfered with virtually every GPS receiver on the lighted side of the Earth, Cornell University scientists reported at a symposium earlier this year. Some receivers had reduced accuracy while others completely lost the ability to fix a position, according to Brig. Gen. David L. Johnson, director of the National Weather Service which operates the Space Environment Center in Boulder, CO. Researchers said GPS receivers were rendered useless for some users for as long as 10 minutes and even more for others.
The December burst produced 10 times the amount of radio "noise" of any solar burst previously recorded, according to the New Jersey Institute of Technology.
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Scientists characterized this event as a wake-up call since the Global Positioning System of 24 satellites depends on radio frequencies sending precisely timed signals to generate positions. In today's technology-driven society, GPS ...
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Source: HighBeam Research, Solar flare knocks out GPS signals.(BoatU.S.reports)