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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.

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.

Inside GNSS • October 2006

GPS: Launches of Satellites and Institutional Initiatives

Successful launch of the second modernized Block IIR satellite, IIR-15(M2), on September 25 and scheduling of another IIR-M launch on November 14 underlines recent progress in the GPS program.

IIR-15(M2), also identified by its space vehicle number (SVN58) and pseudorandom code number (PRN31), will be placed into orbital plane A, slot 2. The U.S. Air Force has designated the satellite to be launched in November as GPS IIR-16/M3, PRN15/SVN55.

Inside GNSS • September 2006

USAF Announces More IIF Delay

The GPS Block IIF program continues to lose ground, with first launch of a satellite now projected as no sooner than May 2008 and as late as January 2009 in a “worst case,” scenario, according to the U.S. Air Force. Program costs are also increasing.

Inside GNSS • September 2006

GPS . . . the Movie (You So Knew It Had to Happen)

This is what happens when the grandchildren of Mickey Rooney and Judy Garland go out and “rent the old barn and put on a show!”

First, there was an independent Seattle, Washington–based filmmaker named Eric Colley and a screenwriter named Hallie Shepherd who knew about the 150,000 actual GPS-guided scavenger hunts now taking place in 200 countries.

Inside GNSS • September 2006

GPS Passes Artillery Tests

U.S. Department of Defense (DoD) contractors appear to be getting closer to fielding GPS-aided precision guidance systems that can withstand the arduous requirements of artillery shells and other fired munitions.

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