GPS tracking devices have been used for several years by law enforcement professionals. In the high-profile case of George Zimmerman, his whereabouts while out on bond are being continuously monitored by the Seminole County Sheriff's Office, though he has gone into hiding.More>>

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>>

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>>

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>>

Altus Positioning Systems today announced the introduction of a new GPS-based evidence mapping system for law enforcement. The new Altus evidence mapping package includes an ikeGPS multi-sensor data acquisition system integrated with MapScenes’ Evidence Recorder custom software for evidence...More>>

ITT Exelis and Chronos Technology Ltd. have agreed to jointly pursue and develop product offerings for the GNSS interference, detection and mitigation (IDM) market. Satellite-based positioning, navigation and timing (PNT) systems are vulnerable to many factors, such as signals jamming, resulting in...More>>

Most anti-spoofing techniques are computationally complicated or limited to a specific spoofing scenario. A new approach uses a two-antenna array to steer a null toward the direction of the spoofing signals, taking advantage of the spatial filtering and the periodicity of the authentic and spoofing...More>>

Disaster-preparedness plans recognize the individual’s role in his or her own survival. When storms approach, have water, food, and basic survival gear on hand. It takes time for help to arrive. The civil GPS industry faces an oncoming storm of interference, and the receiver is the first line of...More>>

Polaris Wireless has announced the introduction of the Altus suite of applications for law enforcement and intelligence agencies worldwide. Altus is a software-based surveillance solution that enables accurate mass location — providing users the ability to simultaneously locate all subscribers in...More>>

Russian news agency PRIME is reporting that Russia’s Transportation Ministry has suggested equipping all commercial auto transport carrying more than eight passengers or heavy loads with receivers supporting the country’s GLONASS. The information came from a draft government ruling published on...More>>