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Working Papers • April 2006

GNSS Meteorology on Moving Platforms

Although GNSS is primarily designed for positioning, navigation, and timing applications, it can also be used to determine a quantity that is of major interest for meteorologists and climate researchers, namely, integrated water vapor. This gas plays a critical role for the energy balance of our atmosphere and is actually responsible for approximately 62 percent of the natural greenhouse effect. Consequently, the distribution of water vapor, as well as its spatial and temporal behavior, is important for climate predictions and weather forecasts.

Working Papers • March 2006

Platforms for a Future GNSS Receiver

GNSS receiver technology has changed dramatically since the first reception of a GPS signal. It evolved from complex electrical circuits — partly analog — tracking only one satellite at a time to today’s sophisticated, small multichannel receivers. The core of a modern receiver is contained in one or more highly sophisticated chips that perform all the receiver’s tasks, starting with signal processing, followed by positioning, and often ending at application processing.

November 12, 2007

EU Finance Ministers, UK Parliamentary Body Debate Galileo Plan

On Tuesday (November 13) European Union (EU) finance ministers will address the European Commision (EC) proposal for all-public funding of the Galileo program.

The proposal announced by the EC in September would use the 2007 and 2008 budgetary reserves for agriculture and administration — totaling about €2.5 billion — to augment a €1-billion Galileo allocation already in place. European transport ministers will take up the issue again in December.

Inside GNSS • Fall 2007

Galileo: Redirecting a Stuttering Program

Europe’s Galileo program continues to struggle through a difficult passage as it looks ahead to crucial meetings of the European Union (EU) transport, economic, and heads of state meetings in November and December.

The lingering death last spring of the public-private partnership (PPP) approach to building Europe’s GNSS threw the program back into the political crucible that has always proven more arduous than the technical challenges.

Inside GNSS • Fall 2007

Say "Hello" to Galileo's PRS

GPS’s widespread success has increased the use of and reliance on positioning, navigation, and timing (PNT) technologies to support all kinds of civil applications. Among others, these include emergency operations, critical transport guidance, tracking of hazardous goods, and synchronization of radio communications and energy supply networks.

Inside GNSS • Fall 2007

Lightening the Data Processing Load

The last two decades have seen the evolution of increasingly sophisticated GNSS signal processing technology. These advances include such things as improved methods for acquiring and tracking a wide variety of new signal structures, advanced multipath mitigation techniques, the development of high-sensitivity receivers for reliable operation indoors and in urban canyons, high-speed processing to reduce time to first fix, and algorithms for improved ranging accuracy and attitude estimation.

Events • October 25, 2007

Applications-Oriented "Growing Galileo" Event Planned for November 14-15

“Growing Galileo” is the theme of a conference and exhibition taking place November 14–15 in Brussels, Belgium, that will highlight the work under way and planned for developing applications of Europe’s GNSS system.

Thinking Aloud • Spring 2007

GNSS for the Masses

Oh, yes, to be sure — they are really impressive numbers: the steep upward curve of unit and dollar (or euro or ruble or renminbi) sales volumes now that GNSS has hit the big time.

Whether it’s $25 billion today or $68 billion in 2010, the worldwide market has really taken off since consumers have discovered — almost by accident, in many cases — the amazing power of GNSS-driven products and services.

Ah, consumers. The mass market.

Rich! We’ll all be rich beyond our wildest imaginings!

Ventures • October 19, 2007

Hexagon Launches Acquisition of NovAtel Shares

Hexagon AB has launched a tender offer to acquire all the issued and outstanding common shares of NovAtel Inc., a Calgary, Alberta, Canada–based developer and manufacturer of OEM GNSS and related products, at a price per share of US$50 cash. Acting through its wholly owned subsidiary, Hexagon Canada Acquisition Inc., the Swedish technology company will keep its offer, which began October 19, open through November 27.

Ventures • October 18, 2007

Get ready for the 2008 Toulouse Space Show! ENC-GNSS, EFTF 08, and more . . .

Next April’s Toulouse Space Show will provide a good deal of company for the European Navigation Conference (ENC-GNSS 2008).

In addition to the annual European Frequency and Time Forum (EFTF 08), which joined ENC-GNSS 2007 this year at TimeNav '07 in Geneva, Switzerland, events include a Space Applications symposium sponsored by the French space agency CNES, a commercial exhibition, and associated events for the general public, students, and young people, to promote the value of space applications in daily life.

China Satellite Navigation Conference
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