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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 • May/June 2007

Sunspots Blank GNSS Receivers

Researchers at Cornell University recently released their analysis of the effects of solar radio bursts (SRBs) during a solar flare last December that produced “unprecedented” fades in received GPS signal power at L1 and L2 over an extended period.

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 • Spring 2007

China Launches Compass MEO

China has taken the next step in developing its Compass GNSS system, launching the nascent system’s first medium Earth orbit (MEO) satellite into space on April 14.

Inside GNSS • Spring 2007

USAF Lets L5 Demo Contract; GPS III RFPs

The U.S. Air Force has awarded Lockheed Martin Company a $6 million contract to develop and integrate a demonstration payload that will temporarily transmit an L5 civil signal on a modernized GPS Block IIR (GPS IIR-M) satellite.

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 • 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

GLONASS Seeks a Commercial Future

Russia is showing ever-stronger signs of a serious intention of not merely restoring its GNSS system, GLONASS, but of turning it into a true dual-use system with a presence in civil and commercial markets.

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

Loran Revives; NDGPS Fades

The Loran terrestrial radionavigation system might well be pulled back from its 12-year-long dance on the brink of extinction, while the Nationwide Differential GPS (NDGPS) radiobeacon-based augmentation system may have finally been pushed over the edge.

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