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A GPS Blackout Would Shut Down the World
GPS jamming and spoofing attacks are on the rise. If the global navigation system the US relies on were to go down entirely, it would send the world into unprecedented chaos.
Then other critical parts of society—from financial transactions to energy production systems—which have come to rely upon the precision positioning, navigation and timing (PNT) provided by the US-owned constellation of 31 GPS satellites may start to stutter. A GPS outage could be particularly ruinous to the United States, which has a heavy reliance on its sovereign space system and has dragged its feet in building backups that can provide the required resilience needed to keep the country running. In one video shared by the Resilient Navigation and Timing Foundation that appears to show GPS interference, a plane’s systems blast out a warning message to “pull up” when its pilots reported they were flying higher than Mount Everest.
Or read this on Wired
