Wired - Danger Room (Mar 7 2011): North Korea Jams GPS in War Game Retaliation

Trích: "...North Korea is believed to have both a GPS jamming system imported from Russia and a modified version its been shopping around the Middle East, according to South Korea’s Chosun Ilbo.  Russia reportedly sold a GPS jamming system to Iraq on the eve of the second Gulf War. And in case you missed that one, jamming wasn’t much of an issue for U.S. bombs."