Global Navigation Satellite Systems Engineering, Policy, and Design
The European Union Agency for the Space Programme (EUSPA) and the European Commission recently published two new documents outlining Galileo receiver guidelines: the Galileo Open Service Navigation Message Authentication (OSNMA) Signal-in-Space (SIS) Interface Control Document (ICD) and the Galileo Open Service Navigation Message Authentication (OSNMA) Receiver Guidelines.
By Inside GNSS
GMV and Lockheed Martin have plans to develop a global satellite based augmentation system (SBAS), changing the model for how navigation and precise point positioning (PPP) services are received.
By Renee Knight
While an independent report from NASEM has validated some NTIA GPS interference claims, no real mitigation is in in sight.
By Dawn M.K. Zoldi (Colonel, USAF, Ret.)
MADRID—The Spanish company UAV Navigation announced Nov. 14 it will participate in the OSNMAplus consortium, led by Italys’ Qascom, intended to authenticate signals from Galileo, the European satellite navigation system.
By Inside GNSS
After years of studying the concept of using low-Earth orbit (LEO) navigation satellites to supplement the Galileo system, the European Space Agency (ESA) is ready to move forward with an in-orbit demonstration as part of its new FutureNAV program.
By Renee Knight
ESA’s Ariane 6 launch vehicle, on which the deployment of the EU’s Galileo GNSS satellite constellation now depends, has taken another step towards first flight. A fresh series of hot fire tests of the rocket’s upper stage and all-new Vinci engine is now underway at Germany’s DLR center for engine and stage testing in Lampoldshausen.
By Peter Gutierrez
The European Space Agency’s new navigation head, Francisco-Javier Benedicto Ruiz, has a lot to say about GNSS, both present and future. We recently spoke with him about his views on satellite navigation, signal vulnerability and authentication, and the agency’s working relationship, or not, with Russia. The technical team behind the Galileo authentication service and industry representatives developing alternative positioning, navigation and timing solutions also share insights.
By Peter Gutierrez
RTCA is working to develop new standards to tackle GNSS growth and challenges. Here’s an update on the special committee’s progress, provided during a recent webinar.
By Dawn M.K. Zoldi (Colonel, USAF, Ret.)
Robustness to GPS jamming and spoofing is critical for military applications yet challenging, and numerous alternative sensing techniques have been explored over the years. Virtual aiding methods have proven effective, with the ability to constrain and localize the search space for improved operability in GPS-denied environments.
By Inside GNSS
The SAGAIE network was deployed in West-Africa in 2013 to assess the feasibility of an equatorial for ASECNA SBAS by studying ionospheric scintillation. This study of the network’s measurements, taken between 2013 and 2016, analyzes the characteristics of the scintillation recorded by five receivers that cover Sub-Saharan West-Africa.
By Inside GNSS
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.
By Peter Gutierrez
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?
By Dawn M.K. Zoldi (Colonel, USAF, Ret.)
The European Geostationary Navigation Overlay Service (EGNOS) will soon launch a new maritime solution that will make legacy and costly coastal ground-based augmentation systems redundant. Meanwhile, the next generation EGNOS V3, featuring dual-frequency, multi-constellation (DFMC) services, is set to come online by 2028, once GPS L5 is declared operational.
By Peter Gutierrez
