Latest Articles


March 12, 2013
ESA Achieves First Galileo-Only 3D Position Fix

Measurements of individual Galileo horizontal position fixes performed for the first time using the four Galileo satellites in orbit plus the worldwide ground…

By Inside GNSS


March 11, 2013
ION’s Joint Navigation Conference 2013 Cancelled

In a March 11 announcement, Institute of Navigation director Lisa Beaty said it was with "sincere regret" that this year’s Joint Navigation Conference…

By Inside GNSS


March 9, 2013
Assessing GNSS Data Message Performance

Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter…

By Inside GNSS


March 9, 2013
GNSS Filtering Options

View equations 1-4View Equations 5-13 Q: What are the differences between least-squares and Kalman filtering?

By Inside GNSS


March 9, 2013
Mike Veth: Engineering Meets the Wild Blue Yonder

Veth proudly poses with his RV-8A fuselage components securely fastened in a jig. The RV-8A is a two-place, tandem, experimental aircraft that is…

By Inside GNSS


March 9, 2013
RedBlade

Anyone who has gone to college is probably familiar with the idea of a capstone course. A final hurdle to clear in receiving…

By Inside GNSS


March 9, 2013
The PNT Boom

FIGURE 1: Potential components of a multisensor integrated navigation system The navigation world is booming with new ideas at the moment to meet…

By Inside GNSS


March 9, 2013
From Fledgling to Flight

Allure Shadow (top), structural clearances (bottom) The Boeing Company initiated the Unmanned Little Bird (ULB) program in the fall of 2003 to create…

By Inside GNSS


March 2, 2013
GNSS Precise Point Positioning Workshop

“Maman,” giant bronze spider by Louise Bourgeois outside the National Gallery, Ottawa, Canada "Reaching Full Potential" is the theme of this workshop on…

By Inside GNSS


March 1, 2013
The Sequester and Its GPS Discontents

Deep military spending cuts set to kick in March 1 will likely slow efforts to modernize the GPS constellation, insiders agree, in large…

By Inside GNSS


March 1, 2013
Air Force Plans to Test Full Navigation Message on GPS L2C Signal

The Air Force will put the navigation message onto the civil L2C signal as part of a test it plans to conduct this…

By Inside GNSS


February 28, 2013
GAO Report on Receiver Performance Invokes GPS LightSquared Controversy

A U.S. Government Accountability Office (GAO) study on receiver performance and increased availability to radio frequency spectrum reveals just how complicated the issue…

By Inside GNSS


February 28, 2013
Czech GNSS Showcase

GSA Headquarters in Prague (Image: MDCR) The European GNSS Agency (GSA) will sponsor a half-day workshop on GNSS for the regional business community…

By Inside GNSS


February 28, 2013
Egos behind New EC-ESA Rift?

Didier Faivre, director of ESA’s Galileo Program and Navigation-related Activities. ESA photo Speaking privately at the recent European Union (EU) Space Conference in…

By Inside GNSS


February 28, 2013
Lockheed Powers Up First GPS III Satellite Module

The core structure of the GPS III Non-Flight Satellite Testbed (GNST) stands in Lockheed Martin’s GPS III Processing Facility. Lockheed Martin photo Well,…

By Inside GNSS


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