What’s Wrong With GPS?

GPS receiver carried by airmen in 1978

The functions of a backpack-size GPS receiver carried by two airmen in 1978 can now be performed by a tiny microchip, but the navigation system remains vulnerable to jamming and spoofing attacks.

Credit: U.S. AIr Force
Forty-five years ago, Brad Parkinson, the chief architect of the Global Positioning System program, mounted the first jamming attack on the nascent satellite navigation and timing network. It would not be the last. Today, websites exist to track Global Positioning System (GPS) interference around...

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