Opinions

Expert Advice: A Leap Second — One More Time!

April 30, 2015By
From left: Dennis McCarthy, Wayne Hanson, Ronald Beard and William Klepczynski

Once again we are going to adjust the world’s clocks by one second. This time it will happen on June 30, when we insert another leap second in Coordinated Universal Time (UTC), the standard international time scale. In theory, all UTC clocks should insert a second labeled 23h 59m 60s (the leap second) following one labeled 23h 59m 59s UTC. This is equivalent to having all of the clocks in the world stop for one second at that time. Are you ready for it? read more

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Galileo Update, Ionospheric Model Shared at ENC

April 23, 2015By

This year’s European Navigation Conference (April 7–10 in Bordeaux, France) got underway with “Good news from up there .…” Galileo’s seventh and eighth satellites launched successfully in late March, the European Space Agency (ESA) plans four more satellites to reach orbit in 2015, and space maneuvers for Galileo 5 and 6 have been completed, with a recovery plan currently under... read more

Nokia Selling HERE, Indoor Location Intensifies

April 22, 2015By

It has been an interesting month for developments in location. Nokia is looking for a buyer for HERE, the mapping and navigation business that once set the industry gold standard. While carriers are planning how they will comply with new FCC mandates for locating indoor E911 calls, the commercial indoor location market has moved beyond “emerging” and is well underway.... read more

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Drones Take Off for Location Companies

April 22, 2015By
3D Robotics Solo Drone with GPS embedded.

The National Association of Broadcasters meeting in Las Vegas draws 100,000 attendees annually, making it one of the largest trade shows in the country. However, besides timing and some very niche markets, it has not been a big show for location companies. That is, until now, when NAB welcomed drone manufacturers, all of which embed GPS in their flying aircraft. read more

GPS III Update: First Satellite Ready for Testing

April 14, 2015By

Report from the 31st Space Symposium COLORADO SPRINGS, Colo. — I had the pleasure of having an early breakfast on this beautiful Colorado morning with Mark Stewart, VP and program manager at Lockheed Martin in Denver for the GPS III program. Mark was very upbeat, a normal state for him actually, and stated that GPS III SV1 was fully integrated — payload, bus... read more

What to Do, Who to See at the 31st Space Symposium

April 8, 2015By
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Every year before I attend the Space Symposium, I make a list of topics to explore and people to talk to, both as a journalist and in my senior space analyst profession. I thought I would share my topics and names with you, because you may have some of the same interests — including GPS III, OCX and up-and-coming executives and officers. read more

Expert Advice: The Impact of RFI on GNSS Receivers

April 1, 2015By
Dovis-Fig1-excerpt

By Fabio Dovis When subjected to very strong interference, a GNSS receiver can be totally blinded and stop working. This is often the scope of intentional jammers. However, in a number of cases the presence of interference is severe enough to significantly decrease receiver performance, but not so much as to make the receiver lose its lock on the satellite signals... read more