GNSS (all systems) Archives - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

GNSS (all systems)

GNSS Interference Mitigation: Modulations, Measurements and Position Impact

Interference mitigation techniques should protect GNSS receivers from interference and jamming without biasing their final position, velocity and timing solution. This column analyses five popular interference mitigation techniques, including the Adaptive Notch Filter (ANF) and Pulse Blanking (PB), evaluating their impact on pseudoranges and on the final position and timing solution. Several GNSS modulations are considered, showing the advantage of using GNSS signals with similar spectral characteristics.

Read More >

By Inside GNSS
July 29, 2021

Spacestar PPP Service Heads into Orbit

Fugro’s SpaceStar GNSS Precise Point Positioning (PPP) service provides high-accuracy positioning in space. Highly accurate positioning in LEO is becoming increasingly important for Earth observation applications, safe constellations management, and space debris collision avoidance.

Read More >

By Inside GNSS

Washington View – PNT: Nothing to See?

A Department of Homeland (DHS)-chartered May 2021 report concludes that PNT threat and resilience concerns are not as dire as some have made them out to be, and that funds for backup could be spent elsewhere. Why this runs counter to other recent government reports is not clear, nor is the fallout from this divergence of Congressionally mandated views. The Department of Transportation has distanced itself a bit from this report by the RAND Corporation—and even its issuer, the DHS, seems to have done so.

Read More >

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)
1 2 3 114