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Thinking Aloud • November/December 2011

Oh No! Not LightSquared Again!

Please.

Please. Please. Please. 

Can we please talk about something besides LightSquared?

Not yet? You mean, they are still here?

And we have so many other GNSS-related topics that deserve comment: 

Some peculiar cuts in civil GPS funds and GPS III budgets being proposed by congressional committees. 

A re-examination — aka analysis of alternatives — of GPS and PNT options in general. Space weather and an impending solar max. Warrantless GPS-aided tracking before the Supreme Court.

Inside GNSS • November/December 2011

LightSquared: Who Pays for GPS Receiver Fixes Yet to be Devised?

With more testing on the horizon and a potentially alarming homeland security report about to be released, LightSquared’s efforts to begin work on its proposed wireless broadband service are stuck in the procedural mud.

The delays, which are never good for a commercial company, are piling up just as the firm’s coffers are thinning and need to be replenished with a new round of fund raising.

Working Papers • November/December 2011

The Digital TV Case

Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter Hein, head of Europe's Galileo Operations and Evolution.

Inside GNSS • November/December 2011

True3D HUD Wins Global SatNav Competition

A San Francisco Bay Area company — Making Virtual Solid–California (MVSC), which snared a trio of awards in a global GNSS competition for its novel approach to driver assistance, is still in early phases of development.

The origins of the company, however, go back more than 40 years to the Cold War era when its principals, Chris Grabowski and Tom Zamojdo, were studying physics and theoretical mathematics at the University of Warsaw, Poland.

But more about that later — first, the news.

June 18, 2012 - June 22, 2012
Annapolis, Maryland USA
March 26, 2012 - March 30, 2012
San Diego, California USA
November 10, 2011

Homeland Security Studies Risks to GPS, Prompts Spoof-Proof Receiver Proposal

Although a Department of Homeland Security (DHS) report on the risks posed by GPS disruptions has yet to be released, the analysis has inspired a proposal to create receivers capable of self-diagnosing spoofing attempts.

“The receiver is the first line of defense,” Logan Scott, president of LS Consulting, told members of the National Space-based Positioning, Navigation, and Timing (PNT) Advisory Board this week.

March 13, 2012 - March 15, 2012
Munich, Germany
New Builds • November 9, 2011

IP Solutions Introduces ReGen GNSS Simulator

Tokyo, Japan–based IP Solutions has released its ReGen GNSS DIF Signal Simulator, a software simulator that simulates ionospheric effects, generates digital IF (DIF) signals similar to those recorded by an RF recorder, and comes with an optional capability of simulating integrated inertial navigation.

Various configurations can produce multichannel GPS and GLONASS L1 signals and single-channel GPS L1, L2, L5 and GLONASS L1 and L2 signals, as well as simulating noise and interference.

November 8, 2011

GPS Coalition To FCC: LightSquared Must Not Use Upper 10-MHz Band

[Update November 9 2011] In an ex parte filing with the Federal Communications Commission (FCC) on November 8, a leading GPS advocacy group has asked that the agency “promptly rule” that LightSquared not be permitted to pursue high-powered terrestrial operations in the upper Mobile Satellite Services (MSS) band adjacent to the GPS L1 band.

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