One GPS Mystery Solved, Another Remains
February 7, 2023
GPSJam.org has shown regular interference with GPS signals in Texas near San Antonio and Del Rio, and locations north and south of Oklahoma City, Oklahoma.
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GPSJam.org has shown regular interference with GPS signals in Texas near San Antonio and Del Rio, and locations north and south of Oklahoma City, Oklahoma.
A team of researchers from Stanford University and the University of Colorado describe how they are using relatively inexpensive equipment and sophisticated software and analyses to detect and warn of GNSS jamming and spoofing.
“Seen & Heard” is a monthly feature of GPS World magazine, traveling the world to capture interesting and […]
How Good Are They?
Stanford University and Hexagon are investigating the utility of applying ionospheric corrections to decrease the overall convergence time of precise point positioning (PPP). This article looks at the level of accuracy that can be achieved, the latency of corrections supplied in real-time PPP, as well as the location and coverage of the network of stations required to determine the corrections.
A team with Stanford University’s Center for International Security and Cooperation (CISAC) used BlackSky’s geospatial imagery and burst […]
An approach using precise point positioningA team of authors from Stanford University discusses a superior approach for ARAIM using the technique of precise point positioning.
The Railway High-Integrity Navigation Overlay System (RHINOS) work program explores candidate concepts for provision of the high integrity […]
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