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About Don Jewell

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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 Reagan 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.

Posts by Don Jewell

September budgeting surprises: Scarcity or surplus? Posted on 14 Sep 2016 in the Defense & Opinions categories.

Halloween may occur in October for the civil and commercial population, but for the U.S. government (USG) all the craziness of the spooky season starts in earnest in September. The... Read more»

Considering GPS III in light of a PNT wager Posted on 10 Aug 2016 in the Defense & GNSS & Opinions categories.

It was not a big wager as wagers go, but the underlying premise spoke volumes. It all began innocently enough in 2005 when the first test, or proof of concept, Galileo satellite known as GIOVE-A was launched. Who won the wager, and what can that tell us about GPS III? Read more»

The GPS Update Syndrome Posted on 13 Jul 2016 in the Defense & Featured Stories & GNSS & Opinions categories.

The I-want-free-advice syndrome was once called the “Doctor Syndrome” or “Expert Syndrome.” I have recently heard it referred to as the “unsolicited advice” syndrome, because there is a new version... Read more»

Iridium and GPS revisited: A new PNT solution on the horizon? Posted on 08 Jun 2016 in the Defense & GNSS & Opinions categories.

How many times have you heard of a nearly 20-year-old space constellation being modified with a new technology? It almost never happens. Get the details on Iridium's new Satellite Time and Location System. Read more»

In defense of PNT: Multi-GNSS to the rescue Posted on 11 May 2016 in the Defense & Opinions categories.

For more than 41 years, many of us who were there in the beginning have been discussing the attributes, capabilities, enabling features and shortcomings of GPS and other space-based PNT (position,... Read more»

Words from Gen. Hyten: Leader, prophet and warfighter Posted on 18 Apr 2016 in the Defense & GNSS & Latest News categories.

There were well over 100 presentations and speeches given at the 32nd Space Symposium in Colorado Springs, Colo., last week. However, I only want to speak about one of them... Read more»

Remote servicing and repair could be ‘Holy Grail’ for space Posted on 12 Apr 2016 in the Defense & Featured Stories & Latest News categories.

Don Jewell reports from the 32nd Space Symposium, April 11-14, Colorado Springs, Colorado. (See Monday’s blog here.) Tuesday, April 12 There are few Holy Grails in space. Today’s announcements from several different... Read more»

Don Jewell reports from 32nd annual Space Symposium Posted on 11 Apr 2016 in the Defense & Latest News & Opinions categories.

Opening Day, April 11 It never fails. Invite 11,000-plus of your closest acquaintances for a week in the Rocky Mountains in April, and you have one — make that several — weather related events. I... Read more»