Le Monde: On the Trail of GPS Jammers, March 2012

“In his small workshop cluttered with machines of all kinds, Todd Humphreys, director of the Radionavigation at the University of Texas at Austin, shows a video his students made of a recent test. It shows a smartphone, held at arm’s length, showing Google Maps on the screen: “The device locates its position with GPS and indicates its position with a blue dot on the map.” Suddenly, the blue dot starts to move, as if the smartphone were riding in a car, but the actual smartphone stays in the same place. “

Continue reading Le Monde article  [French].