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Inside GNSS • May/June 2007

Galileo’s Plan B (and C)

A sea change appears to be taking place in Europe’s Galileo program as its political masters prepare to transform the struggling public-private partnership (PPP) into a more traditional institutional program wholly sponsored by the public sector.

That would move an additional €2.4 to €3 billion onto the public tax burden, but it might also represent the quickest route to completion of the GNSS project backed by the European Union (EU) and the European Space Agency (ESA).

Inside GNSS • Spring 2007

Two for One: Tracking Galileo CBOC Signal with TMBOC

On-going discussions are taking place between U.S. and European Union (EU) experts concerning the future GPSIII L1C and Galileo E1 OS civil signals. An agreement on a common power spectral density (PSD) known as multiplexed binary offset carrier (MBOC) recently emerged as a solid candidate to replace the current baseline: BOC(1,1).

Inside GNSS • Spring 2007

Enhancing the Future of Civil GPS: Overview of the L1C Signal

The Global Positioning System is undergoing continual modernization, providing ongoing improvements for users worldwide. Although various enhancements in system features have been under development since the mid-1990s, modernization first benefited civil users when Selective Availability — a security-motivated technique for “dithering” the open L1 signal to reduce positioning accuracy — was set to zero in May 2000.

Inside GNSS • Spring 2007

Network Assistance: What Will New GNSS Signals Bring to It?

Globally, GNSS markets are experiencing a sharp growth in sales of consumer products and services. Among these is a cluster of applications known collectively as location based services (LBS), a rapidly evolving field of wireless data services that provide users of mobile terminals with information about their surroundings. As a typical example, travellers can receive directional assistance using downloaded digital maps on which graphical symbols indicate points of interest.

Inside GNSS • Spring 2007

PNT Executive Group Gains New Co-Chair, Advisory Board

President Bush’s appointment of retired U.S. Coast Guard Vice Admiral Thomas Barrett as Acting Deputy Secretary of Transportation has brought a new co-chairman to the U.S. Space-Based Positioning, Navigation, and Timing Executive Committee (PNT EXCOM).

Inside GNSS • Spring 2007

Galileo Plods On

Europe’s Galileo program continues to take small steps as it waits to see if it can get through an impasse between the European Commission (EC) and the consortium of companies seeking a concession to complete and operate the Galileo system.

Inside GNSS • March/April 2007

More Perils for Galileo . . . and Other GNSS Dramas

A convergence of developments over the past few months has brought Europe’s Galileo program to the most critical passage of its history — at least, since final approval of the GNSS initiative by the European Space Agency (ESA) and the European Union (EU) in 2003 and 2004, respectively.

Inside GNSS • January/February 2007

Galileo: Coping with Change, China, and Challenges

The 14-year (and counting) history of Europe’s Galileo program has always made for a complex story line.

And it’s not getting any simpler.

Among the latest complications: the transition of responsibilities from the Galileo Joint Undertaking (GJU) to a new GNSS Supervisory Authority (GSA, also referred to as the Galileo Supervisory Authority), further extension of negotiations over a long-term concession contract to operate Galileo, and growing pressure from commercial companies to allow them to sell Galileo technology that they have developed or want to develop.

Inside GNSS • November/December 2006

Compass: And China’s GNSS Makes Four

China has confirmed what many have been expecting for some time: it will construct the world’s fourth GNSS system — joining the systems operated by the United States, Russia, and Europe.

Inside GNSS • October 2006

Progress Amid Criticism: Challenging the Galileo Obstacle Course

As the clock runs out on the Galileo Joint Undertaking (GJU) that has guided the institutional development of the European GNSS program for the past four years, negotiators from the GJU and a consortium seeking to build and operate the system are nearing completion of a “head of terms” agreement.

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