I brushed the snow from my keyboard and in my mind I could hear the neighbors whispering, "Call the men in white coats, there he goes again." They may have cause for concern, as I am sitting on my deck during a lull in a major blizzard, typing on a laptop computer half buried in snow. My warfighter...More>>

The Business — February 2012More>>

Perhaps you don’t track suspected criminals in your spare time, nor do you design or supply a GNSS product that does so. Still, the fresh Supreme Court ruling on GPS use for this purpose reverberates for you, in ways yet unknown. The most interesting part of the court’s ruling pops up in a...More>>

The U.S. Air Force has awarded Lockheed Martin a $238 million contract for production of the third and fourth satellites in the next-generation GPS III constellation. The acquisition of the next two GPS III satellites at one time will allow the Lockheed Martin-led team to maximize efficiencies in...More>>

I have long advocated that our warfighters and first responders deserve the best equipment available so they can answer the basic question, "Where Am I?" quickly and with complete certainty. Or, "Where am I now and how do I get to someplace of relative safety quickly?" Unfortunately,...More>>

Munitions guidance experts at the Raytheon Co. Space and Airborne Systems segment in El Segundo, Calif., will design and demonstrate navigation and guidance technologies that can keep new generations of deep-penetrating bombs and missiles on target in conditions where signals from GPS satellite...More>>

Disruption created by intentional generation of fake GPS signals could have serious economic consequences. This article discusses how typical civil GPS receivers respond to an advanced civil GPS spoofing attack, and four techniques to counter such attacks: spread-spectrum security codes, navigation...More>>

The Galileo ProtoFlightModel (PFM) in-orbit validation (IOV) satellite GSAT0101 began transmitting E1 signals on December 10 using the E11 ranging code, and E5 signals early on December 14. Launched at the same time, Flight Model 2 (FM2), GSAT0102, has not yet started transmitting navigation...More>>

Beneath the surface of a tropical paradise in the city of Townsville on Australia’s Sunshine Coast lies a hidden maze of tunnels and underground bunkers, once said to be used by General Douglas MacArthur. Learning the secrets of this labyrinth that was a major World War II staging point for...More>>

Press stories speculate that GPS spoofing was used to get the U.S. Air Force RQ-170 Sentinel Drone to land in Iran. By spoofing GPS, Iranian engineers were able to get the drone to "land on its own where we wanted it to, without having to crack the remote-control signals and communications."More>>