GNSS

Project to advance multi-GNSS development uses Spirent test systems

June 15, 2017By

Spirent Communications’ testing systems are being used by the European Union TREASURE project (Training, REsearch and Applications network to Support the Ultimate Real-time high-accuracy EGNSS). The aim of the four-year project is to provide instantaneous and high-accuracy positioning anywhere in the world, exploiting different satellite systems operating together to provide users with positional accuracy of a few centimeters. By 2020... read more

Thales signs contract to upgrade Europe’s EGNOS

June 9, 2017By

The European Space Agency (ESA) has signed a contract with Thales Alenia Space for an upgrade to Europe’s EGNOS satellite navigation augmentation system, which underpins the safety-critical use of satnav across Europe, according to ESA. Designed by ESA and being exploited by Europe’s GNSS Agency (GSA), the European Geostationary Navigation Overlay Service (EGNOS) improves the precision of GPS signals over... read more

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Navigation from LEO: Current capability and future promise

June 8, 2017By

Editor’s Note: This online preview presents brief highlights from the upcoming July cover story in GPS World, “Navigation from LEO: Current Capability and Future Promise.” The article is by David Lawrence, H. Stewart Cobb, Greg Gutt, and Michael O’Connor of Satelles, Tyler G. R. Reid and Todd F. Walter of Stanford University, and David Whelan. Webinar on Thursday. The Satellite... read more

Two more satellites join Galileo constellation

June 8, 2017By

Two further satellites have formally become part of Europe’s Galileo satnav system, broadcasting timing and navigation signals worldwide while also picking up distress calls across the planet, reported the European Space Agency. These are the 15th and 16th satellites to join the network, two of the four Galileos that were launched together by Ariane 5 on Nov. 17, 2016, and... read more

Anomalous GPS signals reported from SVN49

June 6, 2017By

Researchers at the Politecnico di Torino university detected spikes in the L1 signal spectrum. The origin of the spikes was identified as the transmission of a non-standard code from a non-operational GPS satellite. This story reports on signal observations performed to identify the source of the interference and the impact it could have on GNSS signal processing. read more

Galileo provides healthy signals 97.33 percent of the time

June 5, 2017By

Europe’s Galileo satellite navigation system has undergone its first performance report since it started work at the end of last year, and it passed with flying colors, said the European Space Agency. The European GNSS Agency, GSA, through its GNSS Service Centre, has published the first of its regular quarterly performance reports on Galileo. This European GNSS (Galileo) Initial Services... read more

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eLoran and Loran testing underway in late June

June 5, 2017By

The Loran sites at Havre, Montana; George, Washington; and Fallon, Nevada, will continuously broadcast from 0900 (MST) June 20  through 1200 (MST) on June 30. The sites will operate on the 5990 rate but occasionally may operate at other rates. Only the site at Fallon will operate as an eLoran site. The sites at Havre and George will operate as... read more

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Galileo signal team nominated for invention award

June 2, 2017By

The engineering team behind the signal technology underpinning Europe’s Galileo satellite navigation system has reached the final of this year’s European Inventor Award, run by the European Patent Office, reported the European Space Agency. The team is led by Spanish engineer José Ángel Ávila Rodríguez — now part of ESA’s Galileo team — and his French colleague Laurent Lestarquit from France’s... read more