“A Guide to Trends in GPS/PNT User Equipment” Presentation to the 11th Meeting of the PNT Advisory Board The following is an abbreviated transcript of Don Jewell’s briefing to the PNT Advisory Board at its meeting on Tuesday, May 7. The slides from Jewell’s briefing and the o...
Read More →Neither rain, sleet, snow, hail, wind, nor dark of night will deter… Loosely Translated, Herodotus, Histories (8.98) …attendees at the 29th National Space Symposium from their appointed rounds. Seriously, folks, with apologies to postal workers everywhere, here in the Rocky Mountains it was 72 d...
Read More →A few months ago, many of you may remember that I wrote about an encounter with a rather well-known female journalist who, after listening to one of my GPS presentations, said something like this, “I came here today to learn more about GPS and so far all you have talked about is atomic reference s...
Read More →Every time I see a headline or read an article concerning BYOD (Bring Your Own Device) from a government source, where that source details only the risk associated with BYOD, especially where GPS/PNT (position, navigation and timing) is concerned, I am incredulous. Consider these recent BYOD headlin...
Read More →Don Jewell With apologies to the Bard of Avon, as I paraphrase his prose, 2C or not 2C — that is the question for millions of GPS users and has been for several years. Indeed, over the past seven years hardly a week has gone by without an email or inquiry about the status of the GPS L2C signal. Th...
Read More →General (USAF) William Shelton, Commander, Air Force Space Command Don Jewell It happened over 20 years ago and I remember it like it was yesterday. Three young U.S. Air Force officers stood respectfully in the office of Lt Gen Thomas Moorman, then Vice Commander of Air Force Space Command. All thre...
Read More →Defense PNT Newsletter By Don Jewell The huge white charger galloped into the clearing. The destrier slid to a stop, steam snorting from his nostrils, as he pranced to a huge oak tree where the four-star Templar Knight astride the magnificent equine posted an urgent message for all to see in status ...
Read More →By Don Jewell Tuesday, the 26th of June, started off as a beautiful day in Colorado Springs, if you ignored the towering plume of smoke to the west from the Waldo Canyon Wildfire. The wildfire started three days before in the popular Waldo Canyon hiking area in the Rocky Mountains just off Highway ...
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