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Millions of Mobile Phones Help Map Ionosphere, Improving Satellite Navigation

Researchers at Google have successfully used real-time data from around 40 million mobile phones to map conditions in the ionosphere, a region of the upper atmosphere where some air molecules are ionized. This breakthrough could improve satellite navigation, especially in areas where data are scarce, such as Africa, South America, and South Asia. The study, published in Nature, estimates that phone data could reduce GPS errors by 10-20% in some areas, and more in underserved regions.
  • Forecast for 6 months: Improved satellite navigation services will be rolled out in several countries, including India and Brazil, where data scarcity has hindered accurate GPS readings.
  • Forecast for 1 year: Google will release more detailed maps of the ionosphere, allowing scientists to better understand the region’s dynamics and make more accurate predictions about solar storms.
  • Forecast for 5 years: The use of mobile phone data to map the ionosphere will become a standard practice, with other companies and organizations following Google’s lead and developing their own systems.
  • Forecast for 10 years: The accuracy of satellite navigation systems will improve significantly, with GPS errors reduced by up to 50% in some areas, thanks to the widespread adoption of mobile phone-based ionosphere mapping.

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