Surveying and mapping are jobs of courage and determination exploring the unknown, risking death in malaria-infested jungles, ...

Observations suggest a major melting event at the Ross Ice Shelf was connected to atmospheric turbulence. The Ross Ice Shelf ...

New test capability supports device manufacturers preparing for Xona’s commercial LEO navigation constellation.

You’ve probably heard of at least one of those terms in any discussion around GPS anti-jam technology for defense. Because they are all terms that describe essentially the same thing: a specialized ...

Exactly a decade has passed since the first major milestone of the GPS-mobile phone success story, the E-911 legislation enacted in 1999. Ensuing developments in that history include: Snaptrack bought ...

WHERE HAVE ALL THE SYSTEMS GONE, long time passing? Radionavigation systems, that is (and apologies to Pete Seeger). If we look at the 1990 Federal Radionavigation Plan (FRP), published by the U.S.

Limited landing area as well as interference due to wind disturbance and wave motion make shipboard landings of unmanned aerial vehicles (UAVs) extremely difficult. Use of UAVs at sea can enhance the ...

The smartphone antenna’s poor multipath suppression and irregular gain pattern result in large time-correlated phase errors that significantly increase the time to integer ambiguity resolution as ...

No audio available for this content. You may have heard about “NMEA data” with respect to GPS. NMEA is an acronym for the National Marine Electronics Association. NMEA existed well before GPS was ...

GNSS jamming and spoofing pose a significant threat to global security, as satellite-based navigation and timing systems are utilized in various application fields, including critical infrastructure, ...

The Estonian news portal Delfi reports that a covert Russian military installation in the Królewiec region, just east of Poland’s border, is believed to be responsible for GPS interference affecting ...

A report filed with NASA’s Aviation Safety Reporting System and published in June outlines how a passenger aircraft flew off course during a period of GPS jamming and nearly crashed into a mountain.