Canadian Science Minister Announces Grant to Langley’s UNB Lab

August 26, 2014By
Professor Langley (center) discusses the UNB geodesy program with Canadian Science Minister Ed Holder (second from left.)

The Canadian Minister of State for science and technology, Ed Holder, visited the University of New Brunswick on July 28 to announce the awarding by the Natural Sciences and Engineering Council of $2.4 million to 28 UNB researchers. He was joined by Keith Ashfield, member of Parliament for Fredericton, where UNB is based, and Craig Leonard, the New Brunswick Minister... read more

Spirent Enhances Location Availability for VoLTE E911 Calls Indoors

August 6, 2014By

Spirent Communications has announced major enhancements that will help improve location accuracy for E911 calls indoors. The additional test capabilities on Spirent’s 8100 Location Technology Solution (LTS) enable operators to deliver optimal location performance to support VoLTE E911 calling and to understand how LTE positioning technologies such as OTDOA can help meet the recently proposed Federal Communications Commission (FCC) regulations for E911... read more

Spoofer and Detector: Battle of the Titans at Sea

August 5, 2014By

Two satnav superpowers battled it out aboard a superyacht in the Mediterranean this summer, as a spoofing detector designed to differentiate between real and fake GPS signals came to grips with a spoofing device previously responsible for hijacking a sophisticated drone helicopter, deceiving it into landing when it was trying to hover, and for misdirecting the same luxury yacht in... read more

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Boeing, Northrop Grumman Enter GPS III Bid

July 8, 2014By

Northrop Grumman and Boeing have responded to a U.S. Air Force call for contractors interested in building a follow-on set of GPS III satellites, according to a report in Space News. Lockheed Martin is under contract to deliver the first eight GPS III satellites, but the award for up to 22 further IIIs remains open. Difficulties with the payload for... read more

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Innovation: Not Just a Fairy Tale

July 1, 2014By
Figure 1.  Vehicle-to-vehicle communications as envisioned by the United States Department of Transportation.

A Hansel and Gretel Approach to Cooperative Vehicle Positioning
Several technologies are being developed for accurate cooperative vehicle positioning, but GNSS also has a role to play. In this month’s column, team of British researchers turn to a children’s fairy tale for inspiration in their development of a cooperative vehicle positioning approach using carrier-phase observations — another innovative application of real-time kinematic or RTK GNSS technology. read more

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M3 Systems Announces Simulator Based on Vector Signal Transceiver

June 20, 2014By

M3 Systems is now offering the StellaNGC multi-constellation GNSS simulator based on the National Instruments (NI) vector signal transceiver. The simulator is designed for the testing of satellite navigation receivers for GPS, GLONASS, Galileo, and EGNOS/WAAS. It is designed to improve performance, scalability, and versatility, and reduce cost over existing navigation test solutions. GNSS is the predominant technology today for... read more

Innovation: The European Way

June 1, 2014By
FIGURE 1. Global vTEC map obtained with the NeQuick electron density model for a sunspot number of 150 at 13h UT in the month of April (grid resolution 2.5 degrees × 2.5 degrees).

Performance of the Galileo Single-Frequency Ionospheric Correction During In-Orbit Validation
In this month’s column, a team of researchers from ESTEC describe the European way for modeling the ionosphere for single-frequency users and compare its performance to the current GPS approach. read more

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New Tide Gauge Uses GPS to Measure Sea-Level Change

May 28, 2014By

A new way of measuring sea level using satellite navigation system signals, for instance GPS, has been implemented by scientists at Chalmers University of Technology in Sweden. Sea level and its variation can easily be monitored using existing coastal GPS stations. read more