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Inside GNSS magazine • Volume 6 Number 6

November/December 2011

Online News, Articles, and Features

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Cover Stories

True3D HUD Wins Global SatNav Competition

Meeting the USA Challenge and More

A story in which two expatriate students from Poland turn a lifetime of
engineering experience into prize-winning technology for GNSS
applications.

Their California startup company—Making Virtual Solid—features a technology whose time had already come. First, they imagined the idea of a giant mirror up in the sky. . .

MVS won the top international award in the 2011 European Satellite Navigation Contest, a growing international effort that attracted innovators from 49 countries this year. 

Making Virtual Solid

A Technology Whose Time Had Already Come

First came the idea of a giant mirror high in the sky . . .

From Family Friendly to Seriously Scientific, GNSS Ideas Contest Rewards New Commercial Applications

2011 European Satellite Navigation Competition - The Galileo Master Awards

United States and Canadian innovators join 21 other countries and regions to see who has the best commercial ideas for satellite PNT technology

Article
Technical Article

Staying In Lane

Real-Time Single-Frequency PPP on the Road

A single-frequency precise point positioning technique can provide accurate results in static applications. But can it bring the same benefits to kinematic applications, such as identifying which lane a vehicle is in? Based on the results of field trials in the Netherlands, researchers at Delft University of Technology demonstrate the ability to position a vehicle in real-time precisely
enough for lane identification.

Columns & Editorials
Thinking Aloud

Oh No! Not LightSquared Again!

Still posing risks for critical U.S. infrastructure and national defense

Only the backing of a billion-dollar hedge fund operating in the plutocracy that America’s political system has become enables LightSquared to dominate this conversation.

Working Papers

The Digital TV Case

Positioning Using Signals-of-Opportunity Based on OFDM Modulation

E911 and many other location-based services and applications currently require accurate urban and indoor positioning — challenging environments for GNSS. This article suggests that signals-of-opportunity based on the orthogonal frequency division multiplexing modulation offer a way to enhance positioning in these locales. The authors used digital video broadcast-terrestrial signals to develop and test a pseudorange estimation method employing real signals, with results that confirm the theory.

GNSS Solutions

Network RTK and Reference Station Configuration

What effect does network size have on network real-time kinematic positioning?

Washington View

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

GNSS Hotspots

GNSS Hotspots

GNSS Data Points and Factoids to Amuse and Inform

In This Issue: Twin launch trends, Galileo's Getaway, The iPhone cool factor, Typhoid's PNT and the Elusive ICD

News Updates

GLONASS Trio in Orbit, Another K-Class to Follow

Russian GNSS constellation has 23 operational satellites

The Russian GNSS seems to be enjoying favored status, with official
pledges to match GPS accuracy by 2015, bigger budget requests, plans for
a 30-satellite constellation and a promotional boost as iPhone adds
GLONASS capability to its new release.

The Year's Top Stories from Inside GNSS

The Saga of LightSquared vs. GPS Dominated the News in 2011

EU Launches Two Navigation Satellites; Galileo is On Its Way

First two IOV satellites are in their final orbit and undergoing testing and activation of their navigation payloads

Once expected to reach full operational capability by 2010, the European
GNSS has endured delays caused by technical, political and budgetary
obstacles. If all goes well, initial operational capability will be in
place by 2014.

Thought Leadership Series

Solar Max and Space Weather Prediction

This cycle is a first-time test for GPS-based technology installed since the last solar maximum.

Space weather—lots of people are talking about it, but can we do anything about it? The current solar cycle will peak in May 2013. What will that mean for GNSS equipment designers and users?

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