Protect your GPS system. Israel’s Focus Telecom has developed GPSDome – the first low-cost protection against GPS jammers. GPS jamming is used by rogue governments and criminals to disrupt industry and security. GPSDome’s algorithms streamline the deflection of radio-frequency interference from the jammers.
http://www.timesofisrael.com/cyber-crooks-meet-their-match-with-israeli-developed-gps-protector/