Cheap GPS Spoofer Changes Everything – For the Worse

If your GPS receiver is being jammed, there’s a pretty good chance you are going to know that you don’t have a signal you can trust. If it is being spoofed… not so much. Sure, if the spoofer is unsophisticated enough to make your receiver believe it’s in China and you...

GPS is an Attractive Nuisance

One of the many interesting exchanges at the US National Position, Navigation, and Timing Advisory Board in December was Professor Per Enge’s response to a question about how having a high power, difficult-to-disrupt, terrestrial eLoran system that provided GPS-like...

GPS Navigation: Can’t Live Without It, Can’t Trust It

That’s the problem facing military planners as they try to sort through the increasing reliance of equipment and troops on positioning data from satellite networks at a time when the vulnerabilities of GPS are becoming more apparent. This month, a group of...