Once the province of hostile nations, electronic warfare has arrived with little fanfare on U.S. highways and byways.
Criminals, rogue employees and even otherwise
law-abiding citizens are using illegal "jamming" devices to overpower
GPS, cellphone and other electronic signals over localized areas. The
devices are small and mobile — a common variety plugs into a vehicle's
cigarette lighter — making it difficult for law enforcement to identify
the culprits.
And experts say the threat to the Global
Positioning System (GPS) — the critical space-based navigational,
positional and timing network — is escalating as potentially more
destructive "spoofing" devices become readily available.
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Source: NBC News
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