Current Issue - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design


High-Solar Activity Ionospheric Modeling Leveraging Machine Learning

A comparison against classic models.

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Galileo HAS: A Performance Assessment in Urban Driving Environments

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.

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Launching Xona’s Ravens: Commercial Satnav from LEO

The startup plans to launch its first demonstration mission on SpaceX’s Transporter 5 in May, with the goal of displaying high-quality commercial PNT LEO signals from a payload suitable for small satellite deployment.

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Washington View – Deja Vu All Over Again: Ligado’s 5G Network Set For Collision Course With GPS? 

Will the network, which some are still fighting, be ready for a September rollout, and if so, what are the implications for GPS and the people who rely on it?

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Brussels View: EU Space Community Talks Security, Defense and Galileo

Speakers at the 14th European Space Conference in Brussels discussed the need to defend EU assets against unfriendly attacks. Recent events in Eastern Europe would seem to lend force to such concerns, as the European Union makes headway toward the intersection of civil infrastructure and security and defense.

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Washington View: Making GPS More Resilient

NTS-3 Satellite Prepares for Launch to Experiment with Ways to Improve GPS.

Nearly 50 years ago, there were no smart phones, no GPS-guided weapons, no turn-by-turn direction systems in automobiles.

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PNT Makes the World Go Around: The UK’s New Alternative PNT Strategy

There has never been a clearer and more widespread acknowledgement of PNT vulnerability. With its new strategy for ensuring the continuity of positioning, navigation and timing (PNT) services, the United Kingdom adds considerable impetus to a trend that has already witnessed new determination on the parts of the United States and the European Union to assess real, alternative PNT (A-PNT) and/or complimentary PNT (CPNT) solutions.

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