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GPS AEP 5.5C, the Rest of the Story: We Went to the Source February 24, 2010
If you are interested in the Global Positioning System (GPS) and are not related to Rip Van Winkle, then you have heard about the controversy surrounding the latest AEP ground control segment software upgrade, designated as version 5.5C.More>>
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It's a Mad, Mad, Maddenless World February 10, 2010
Call it Madden withdrawal. It’s bad enough that I just endured Super Bowl “XLIV” without the smooth and engaging color commentary of the iconic John Madden, the legendary Hall of Fame, Super Bowl (XI) winning coach and virtual football entrepreneur. This year I patently missed John’s pithy...More>>
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Up Close and Personal with SVN-49 January 27, 2010
Intimates reveal options discussed, debated, and tested in classified labs to ameliorate the spurious signals dealt by the IIR-M satellite launched in March 2009. The predicted long procession of papers generated by the SVN49 signal anomaly got officially underway here at the ION National Technical...More>>
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New GPS Configuration: 24+3=Win/Win January 12, 2010
Numbers and geometry matter where GPS is concerned, and many of you have read these words in many of my columns or heard them in my presentations. Fortunately the U.S. military must have been listening as well, because just last week the Commander of U.S. Strategic Command General Chilton approved ...More>>
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GLONASS' Heroic Catch-up Effort an Inspiration for Manufacturers December 16, 2009
Although falling short of its goal of global service — read 24 operating satellites on orbit — in the near term, GLONASS’s heroic catch-up effort should inspire cautious confidence among manufacturers. More is needed, but this measure of optimism should encourage companies to keep plans for...More>>
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Here's What's Up with SVN49 November 23, 2009
Last week I conducted a technical webinar on SVN49, and this column consists of the audience questions and panelists’ (Peter Boulton from Spirent and Greg Turetzky from SiRF/CSR) answers to them. You can download the audio potion of the live webinar and all the accompanying powerpoint slides from...More>>
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Galileo Will No Longer Require Special Manufacturer's License October 28, 2009
STOCKHOLM, SWEDEN — The International Association of Institutes of Navigation, meeting in Sweden this year, forms the occasion for what has become ritual in all such meetings: the updating of status on each GNSS. Today, for the first time in my memory at least, all three major systems must...More>>
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To Make the Cognoscenti Think September 21, 2009
Pre-ION updates on interoperability, interference, modernization, changes in GPS constellation management, new signals, new monitoring services, and more. Notes on my shirt cuff, jotted live from the back row of the 49th Civil GPS Service Interface Committee (CGSIC) Meeting, Monday September 21, in...More>>
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Northrop Grumman, Raytheon Discuss Pending OCX Contract August 26, 2009
With a planned initial operational date in 2013, the GPS Advanced Control Segment (OCX) will improve GPS accuracy, integrity, availability, and continuity for military and civilian users around the world, as well as providing more efficient functionality to GPS operators, maintainers, and analysts....More>>
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Debonair Webinar August 12, 2009
Several months ago, Kristina Panter, the debonair publisher of GPS World magazine, called with a work-related proposition: Would I be willing to host/moderate and/or speak at the first Defense-based webinar sponsored by GPS World and a then unnamed commercial sponsor, which later turned out to be...More>>
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