How GPS "Flex Power" hides in plain sight - And why it matters for navigation
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Global Positioning System (GPS) satellites have a wartime secret: they can suddenly boost their signal power to punch through jamming. But these same power surges distort civilian navigation, introducing meter-level errors that degrade high-precision positioning, time transfer, and ionospheric modeling. Now, researchers have built the first fully automated framework that not only detects these power shifts in real time with near-perfect accuracy but also maps their geographic centers--replacing slow, error-prone manual methods with machine intelligence. 
