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All posts from Don Jewell

Don Jewell served 30 years in the United States Air Force, as an aviator and a space subject-matter expert. Don’s involvement with GPS and other critical space systems began with their inception, either as a test system evaluator or user. He served two command assignments at Schriever AFB, the home of GPS, and retired as Deputy Chief Scientist for Air Force Space Command. Don also served as a Politico Military Affairs Officer during the Regan administration, working with 32 foreign embassies and serving as a Foreign Disclosure Officer making critical export control decisions concerning sophisticated military hardware and software. After retiring from the USAF, Don served seven years as the senior space marketer and subject-matter expert for two of the largest government contractors dealing in space software and hardware. Don currently serves on two independent GPS review teams he helped found, and on three independent assessment teams at the Institute for Defense Analyses, dealing with critical issues for the U.S. government. Don has served on numerous Air Force and Defense Scientific Advisory Boards. He writes and speaks extensively on technical issues concerning the U.S. government. Don earned his Bachelor’s degree and MBA; the Ph.D. is in progress.
  • CAST Navigation: Signal Diversity and the PHGPST

    May 08, 2012 2 Comments

    As loyal readers are aware, I have long been an advocate of signal diversity as a solution to many of the ills that plague the GPS user, especially outdated user equipment. Signal diversity potentially provides users with more signals and signal origins. More signals improve availability, the number...

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  • Grand Setting for a Grand Summit

    Apr 11, 2012 2 Comments

    Most of Munich is an ultra-modern German city, albeit one of the most expensive cities in Europe, where you can travel anywhere by tram, automobile, S-Bahn, rail or taxi. But why bother when you have the opportunity and thrill of walking through the old city center and have Bavarians greet you with ...

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  • Grüss Gott – Munich Satellite Summit

    Apr 11, 2012 1 Comment

    Grand Setting for a Grand Summit:Most of Munich is an ultra-modern German city, albeit one of the most expensive cities in Europe, where you can travel anywhere by tram, automobile, S-Bahn, rail or taxi. But why bother when you have the opportunity and thrill of walking through the old city center a...

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  • Out in Front: Independence: A National Value

    Apr 01, 2012 No Comments

    Following is a guest editorial by GPS World’s contributing editor for Defense, Don Jewell. Advanced low-frequency (LF) signals are back on the air in North America, with live testing of a wide-area precise-timing solution. Initial tests include a comprehensive pallet of signals, including eLor...

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  • eLORAN and UrsaNav: Timing Is Everything

    Mar 14, 2012 No Comments

    The first part of the recent UrsaNav press release says it best: This week for the first time since August 2010 advanced low frequency (LF) signals, including a new eLORAN, are on the air in North America! As a result of a Cooperative Research and Development Agreement (CRADA) between the United Sta...

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  • Rugged GPS-Enabled Windows Laptops

    Feb 07, 2012 1 Comment

    I brushed the snow from the XRW keyboard and in my mind I could hear the neighbors whispering, “Call the men in white coats, there he goes again.” And actually there may be reason for concern, as I am sitting on my deck during a lull in a major blizzard and typing on a laptop computer...

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  • Where Am I?

    Jan 12, 2012 No Comments

    I have long advocated that our warfighters and first responders deserve the best equipment available so they can answer the basic question, “Where Am I?” quickly and with complete certainty. Or, “Where am I now and how do I get to someplace of relative safety quickly?” Unfort...

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  • Interview: 2nd Space Operations Squadron Commander, Lt. Col. Jennifer Grant

    Dec 14, 2011 No Comments

    December is typically the month when writers of regularly featured columns wax nostalgic and engage in a certain amount of prognostication. This year I enlisted the help of Lt. Col. Jennifer Grant, the 2SOPS/CC at Schriever AFB, the home of GPS, to help us with our year-end review and crystal-ball g...

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