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Magazine Department

November 18, 2012

Taking Turns at the Fiscal Cliff

The GPS program has taken a fiscal hit that will delay critical plans to begin multi-satellite launches and could ultimately hamper the Air Force’s ability to keep the constellation at its current level of service.

The shortfall is just one of the challenges facing the program over the next four months as the current six-month budget extension winds down, the government’s ability to borrow runs out, and, barring a fast political deal, the onerous budget cuts set up under sequestration kick in.

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By Dee Ann Divis
November 15, 2012

Brussels View

Brussels View offers a European perspective on GNSS developments, particularly on Galileo.

Columnist Peter Gutierrez is based in Brussels, Belgium and has covered the EU satellite navigation programs from the inside out for several years. He received his bachelor’s degree from the University of Texas at Austin and an M.S. degree from the University of Massachusetts at Amherst.

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By Peter Gutierrez
November 14, 2012

Galileo Round Up

Say what you want about the European capitol — one thing is for sure, Brussels is alive with conversation. With corporate high flyers and political decision makers tripping over one another on their way to long lunch breaks and after-dinner drinks, the chitchat can flow fast and furious.

If one is not careful, idle conversation can turn into rumor and rumor become a “buzz.”

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By Peter Gutierrez
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Digital Satellite Navigation and Geophysics: A Practical Guide with GNSS Signal Simulator and Receiver Laboratory

Digital Satellite Navigation and Geophysics: A Practical Guide with GNSS Signal Simulator and Receiver Laboratory
by Ivan G. Petrovski and Toshiaki Tsujii
Cambridge University Press 2012
ISBN-13: 9780521760546

This textbook describes GPS and GLONASS signals, as well as geophysical theory necessary for high accuracy calculation of satellite and user positions. The book is accompanied a free academic version of software for a software receiver and signal simulator.

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By Inside GNSS

Navipedia — The GNSS Wiki

Javier Ventura-Traveset introduces Navipedia at the Munich Satellite Navigation Summit on March 14, 2012. He is responsible for managing Navipedia’s development as well as GNSS education activities for ESA.

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.

In the last 30 years, satellite navigation applications have grown in number and kind, entire new systems have emerged, and existing systems have modernized.

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By Inside GNSS

LTE, Positioning, and the Implications for GNSS Over-the-Air Testing

FIGURE 1: (top) Device without case. (bottom) Device with case.

Long Term Evolution (LTE) technology in mobile communications, often called 4G, is making its way into a host of consumer devices. It started with data-only modules for Internet connectivity but quickly made its mark on smartphones, automotive communication, and embedded modules that provide fast and reliable wireless data connectivity to the machine-to-machine (M2M) market.

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By Inside GNSS
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