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Inside GNSS • January/February 2017

GPS Roundup: Congress Reopens for Business

Washington has seen a lot of transitions, so even amidst political controversy it’s generally business as usual.

For the GPS community that business, at least in the near term, will likely center on changes in federal leadership — with many key appointments, like a new Secretary of the Air Force, still to be determined. In addition — even at this early stage when new lawmakers are still trying to find their offices — there are issues and opportunities worth watching in emerging legislation.

Working Papers • January/February 2017

Interference Localization from Space

Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter Hein, head of Europe's Galileo Operations and Evolution.

Inside GNSS • January/February 2017

L5 RTK Over India:

Inside GNSS • January/February 2017

Multi-Receiver GPS-Based Direct Time Estimation

Incorporation of real-time synchronized phasor measurements in the control of power grids can play an important role in maintaining the overall closed-loop stability of the power system. In the past, instability in the power grid caused disturbances ranging from small local perturbations to severe large scale blackouts as can be seen from Figure 1. Currently, the synchronization achieved in measurements collected using devices known as supervisory control and data acquisition (SCADA) is not robust enough for efficient monitoring the power grid.

People • January 20, 2017

Swift Navigation Co-Founders Make Forbes 30 Under 30 Consumer Tech List

Swift Navigation co-founders Fergus Noble (29) and Colin Beighley (28) have been honored in the 2017 Forbes 30 Under 30 Consumer Technology list.

Swift Navigation is a San Francisco-based startup that provides centimeter-accurate real-time kinematics (RTK) GPS and GNSS positioning technology for autonomous vehicles, unmanned aerial vehicles (UAVs), precision agriculture, robotics, surveying, space applications and more.

January 19, 2017

ESA Puts Brave Face on Galileo Clock Failures

At the traditional January media briefing in Paris yesterday (January 18, 2017), European Space Agency (ESA) General Director Jan Woerner was forthright in laying out the knowns and unknowns about the failed rubidium and hydrogen maser clocks onboard orbiting Galileo satellites, clocks that are absolutely crucial for accurate positioning.

January 17, 2017

Aireon’s First Launch for Space-Based ADS-B Network a Success

A January 14 launch of 10 Iridium NEXT satellites will help implement a space-based automatic dependent surveillance–broadcast (ADS-B) developed by Aireon, in partnership with leading Air Navigation Service Providers (ANSPs) from around the world, and designed to provide real-time GNSS tracking of aircraft over oceanic regions.

January 17, 2017

SEC Sets Tighter Timing Standards for Financial Industry

Securities regulators recently approved a plan to improve the tracking of financial trades by creating a single, comprehensive database that, among other things, incorporates tightened clock synchronization standards.

January 9, 2017

OCX Gains Ground With Help From Private Sector Computer Wizards

Though the schedule is still uncertain, progress is being made on completing the new GPS ground system, said Air Force Secretary Deborah Lee James, who credited a crack group of private-sector computer wizards with helping get the program back on course.

Calling the GPS Next Generation Operational Control System (OCX), a "terribly, terribly important program," James said, however, she still did not consider the software-focused effort to be "out of the woods." 

New Builds • January 6, 2017

TRAK Microwave Releases 50-Channel GPS Reference Clock

TRAK Microwave, a brand of London, England– and Stuart, Florida–based Smiths Interconnect, has released its 8835 GPS Clock, a GPS time and frequency instrument. The 8835 GPS Clock is designed to deliver optimal power and interoperability options while maintaining GPS accuracy and reliability.

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