Defense PNT Newsletter

Year of the Generals

July 9, 2014By

Several pleasant surprises popped up at this year’s Institute of Navigation’s Joint Navigation Conference (ION JNC) in Orlando, Florida, and the best by far centered on the presenters and the attendees. In a change from recent years due to budget restrictions, better known as sequescastration, this year two senior Air Force generals attended and actively participated in several events. General... read more

30th Space Symposium Plus: A Truly Global Event

June 10, 2014By
A Lunokhod Rover from the Kansas Cosmosphere and Space Center on display at the Space Symposium.

I have said before and will undoubtedly say again, there is absolutely no space-related event in the world today that approaches the sophistication and professionalism of the Space Symposium held annually in Colorado Springs, Colorado, at the five-star Broadmoor Resort. The Space Symposium, carefully engineered and meticulously overseen by the Space Foundation, is truly the premier, must-attend space event of... read more

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Governor Signs Colorado Space Bill at 30th Space Symposium

May 21, 2014By
Gov-signing-O

Governor John Hickenlooper (D) of Colorado made the trek from the statehouse in Denver yesterday to sign key space-friendly Colorado legislation at the 30th Space Symposium in Colorado Springs. read more

Cyber Warfare: Report from the 30th Space Symposium

May 21, 2014By

Report from the 30th Annual Space Symposium, May 19-22, Broadmoor Resort, Colorado Springs, Colorado For the past five years, the first day of the National Space Symposium — now known simply as the Space Symposium, the largest symposium of its kind in the world — has started with an entire day dedicated to discussions of the cyber domain as it... read more

eDLoran Surprise: European Navigation Conference 2014

May 14, 2014By
Shipboard DLORAN receiver installation (orange boxes on rails).

At the ENC-GNSS Conference in Rotterdam, we delved into actions necessary to officially use EGNOS (giving me déjà vu from WAAS’s early days), heard sage words from Brad Parkinson, the father of GPS, and, on the last day, saw amazing proof of a claim many of us initially thought was outrageous —that differential (DLoran) with modern monitoring can result in consistent horizontal accuracies approaching five meters on a moving platform. read more

The Adventure of the Atomic Clock

April 9, 2014By
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In consulting my notebooks for the spring of 2014, I find many remarkable cases that engaged the attention of my intimate friend Mr. Sherlock Holmes. The intrigue into which we were drawn by the visiting American, Geo. P. Hess, probed the unforeseen effects of a launchpad fire, the mysterious slide to the right of two system segments, and the enigma of the vanishing leaders. read more

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ANGELS, GSSAP, CNAV, and GPS: Guidance From Above

March 13, 2014By
A still from the movie Gravity, where space real estate feels really small. (credit: Warner Bros. Pictures)

Wow, what a bevy of acronyms. If you already know what they mean, great. If you don’t, just hang in and all will be made clear. E. L. Doctorow once wrote, “Writing is a socially acceptable form of schizophrenia.” Now, I am not sure how I feel about that or how my daughter who is a practicing Clinical Psychologist (PsyD) would interpret... read more

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The Gold Standard: What’s in a Name?

February 12, 2014By
Don Jewell

Our esteemed editor-in-chief and publisher at GPS World, Alan Cameron, penned an editorial in January concerning claims made by the People’s Republic of China regarding the Gold Standard for PNT (position, navigation and timing). The Chinese recently claimed that its BeiDou system averaged a user range error (URE) of 2.5 meters using zero age of data (ZAOD), 95% of the... read more