GNSS Opinions

Out in Front: A Star Is Born

July 24, 2013By

Welcome to the club, India, and happy Birth Day. With the July 1 launch of IRNSS-1A, India and the Indian Regional Navigation Satellite System have officially joined the GNSSS (Global Navigation Satellite Systems Society). With full membership, however, come some society duties and responsibilities. Chief and first among these is to provide all other society members and interested parties with... read more

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Get Back, Loretta: DARPA Seeks to Eliminate GPS Dependence

July 24, 2013By
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By Alan Cameron Call it irony, poetic justice, or just the nature of the beast. The same impulse that led to the invention of GPS now has engendered a drive to beget non-GPS. In the 1970s, the U.S. military began putting together a program “to drop five bombs in the same hole.” The program office, to the wall of which... read more

Out in Front: Uh-oh for Information

July 1, 2013By

Back around 1992, in the early days of the World Wide Web, a starry-eyed pundit trumpeted “The Internet will do for information what TV did for entertainment!” “Uh-oh for information,” riposted an editorial cartoonist at the time. To be sure, television since the 1950s has brought a few new high points of entertainment into homes around the world, as well... read more

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Expecting Twins: A How-To Guide to Dual Launch

June 26, 2013By
Galileo FOC: These pictures give the first detailed views of the next batch of Galileo satellites, the first of which has already been delivered to ESA for rigorous testing in simulated space conditions. Credit: OHB

Recently released views of the next two Galileo satellites in the European Space Agency’s testing lab, along with dual-launch rumblings from the U.S. Air Force and Lockheed Martin, occasion this story about two birds with one drone. That is, an unmanned autonomous vehicle bound for the exosphere. The rest of the GNSS world is on board with this topic; isn’t... read more

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GPS OCX Ground Control in GAO Report

May 30, 2013By
The next-generation GPS ground-control system, known as OCX.

A March 2013 report from the Government Accountability Office (GAO) seems to claim that the projected cost of the next-generation GPS ground-control system, known as OCX, increased by 43 percent, or $1 billion over the past year, to a total cost estimate of $3.7 billion. As GPS World contributing editor Don Jewell wrote shortly after the GAO release, “In fact,... read more

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Time to Hit Warp Speed, Galileo

April 23, 2013By

Report from ENC: Constellation Needs 22 Satellites in Three Years Launch, deploy, and operate “22 satellites in less than 3 years.” That’s two satellites every three months, leading to a four-at-once launch in 2014. And that’s the challenge that Europe and the European Space Agency (ESA) now face. This pointed call to action during the opening plenary of the European... read more

Out in Front: Galileo’s World

April 1, 2013By
GalileosWorldCovers-O

It’s been a long time coming. With the capability to make a position fix from four signal-broadcasting satellites, we can now say that Galileo has truly arrived. Of course, this is only one of many milestones (excuse me, kilometer markers) along the way, a trajectory that could be bounded at 23 years and counting, or possibly longer. Let’s not forget,... read more

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Expert Advice: Setting Standards for Indoor Position

April 1, 2013By

Communications Security, Reliability, and Interoperability Council (CSRIC) Update By Greg Turetsky Many of us remember way back in 2001 when the FCC first announced E911 position reporting requirements for cell phones. That was a long time ago in many significant ways. Everyone had 2G phones and anxiously anticipated the arrival of 3G, and with it, data. Most people still had... read more