Opinions

Considering GPS III in light of a PNT wager

August 10, 2016By

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

Expert Opinions: OEM R&D budget for mitigation of jamming

August 8, 2016By

Q: What percent of a GNSS designer or manufacturer’s R&D budget should be devoted to mitigation of jamming? A: Solving for jamming, intentional or unintentional, in the design of any GNSS technology platform is no longer an option. How much any one company spends is largely a function of how much is spent on engineering overall and of how much... read more

This article is tagged with , , and posted in GNSS, Opinions

Pokémon GO: Location-based app leads to accidents

August 5, 2016By

Common sense tells us not to hold a smartphone while driving. But a new game is so addicting, it’s causing people to forget that rule. Released July 6 for both Android and iOS, Pokémon GO instantly became the top free app and the top grossing app on Apple’s App Store, shattering social media records and shooting Nintendo stock through the roof. read more

This article is tagged with , , , , , , and posted in Mobile, Opinions

Establishing orthometric heights using GNSS — Part 8

August 3, 2016By

Upcoming Survey Scene newsletters will carry additional columns in this series. Basic procedures and tools for determining valid published NAVD 88 GNSS-derived orthometric heights for constraints These columns have provided the reader with basic concepts, routines and procedures for understanding, analyzing, evaluating and estimating GNSS-derived ellipsoid and orthometric heights. In my last column, Part 7 (June 2016), we analyzed the changes in adjusted heights... read more

Navigation progress for indoors and UAVs

July 19, 2016By

I didn’t get to this year’s IEEE/ION PLANS meeting in Savannah, Georgia, in April, but I did find a few papers that interested me. You might have read past articles of mine that looked at the challenges of indoor navigation. And, of course, unmanned vehicles technology also is one of my favorites. So, I was pleased to find papers that addressed a few key... read more

This article is tagged with , , , , , and posted in OEM, Opinions

Naval Academy brings back celestial navigation courses

July 18, 2016By

The Naval Academy has brought back celestial navigation courses, recognizing the importance of giving future naval officers the ability to find their position out at sea in case GPS is unavailable through jamming or hacking. read more

This article is tagged with , , and posted in GNSS, Mapping, Opinions

The GPS Update Syndrome

July 13, 2016By

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 that involves shaming the expert in to giving free advice. Occasionally those of us with expertise in an area of interest, which certainly include doctors and lawyers, are faced with... read more

Movie preview: ‘The Night GPS Failed’

July 13, 2016By

Editor-in-Chief and Group Publisher Alan Cameron gives a preview for a fictitious movie he devised called "The Night GPS Failed," based on the true story "What Happens If GPS Fails." read more

This article is tagged with , , and posted in GNSS, Opinions