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Richard B. Langley - GPS World

Galileo HAS: A Performance Assessment in Urban Driving Environments - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

Through a series of four vehicle experiments leveraging low-cost GNSS/IMU sensors, the findings from this research indicate that low-cost HAS PPP solutions can yield results comparable to those obtained using CNES ultra-rapid products at the 68th percentile of errors. DING YI AND SUNIL BIS

High-Solar Activity Ionospheric Modeling Leveraging Machine Learning - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

A comparison against classic models. SHISHIR PRIYADARSHI, WAHYUDIN P. SYAM, ANDRÉS ABELARDO GARCÍA ROQUÉ, ALEJANDRO PÉREZ CONESA, GMV GUILLAUME BUSCARLET, RAÜL ORÚS PÉREZ, MICKAEL DALL’ ORSO, EUROPEAN SPACE AGENCY (ESA) Sun is the source of energy needed to ionize the Earth’s atmosphere, which is an

Q: Can RF interference to GNSS signals be generated by satellites in orbit? Has this occurred, and how can it be detected? - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

A: Unfortunately, uninterrupted use of GNSS navigation cannot be assured due to GNSS signal susceptibility to various disruptions. All GNSS systems rely on the ability to receive weak signals from thousands of kilometers away in space, making them vulnerable to Radio Frequency Interference (RFI). GN

The Institute of Navigation Declares October 23rd "INTERNATIONAL GNSS DAY"