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...
A Prototype System for Navigation in GPS-Challenged Environments By Chris Rizos, Dorota A. Grejner-Brzezinska, Charles K. Toth, Andrew G. Dempster, Yong Li, Nonie Politi, Joel Barnes, Hongxing Sun,...
Experimenting with GPS on Board High-Altitude Balloons By Peter J. Buist, Sandra Verhagen, Tatsuaki Hashimoto, Shujiro Sawai, Shin-Ichiro Sakai, Nobutaka Bando, and Shigehito Shimizu In this...
Photo: Galileo Analysis of new Galileo signals at an experimental ground-based augmentation system (GBAS) compares noise and multipath in their performance to GPS L1 and L5. Raw noise and multipath...
By Thomas A. Stansell, Kenneth W. Hudnut, and Richard G. Keegan The new GPS L1C signal will be broadcast by the Block III satellites, with first launches as early as 2014. L1C innovations...
The September “Innovation” column in this magazine, “It’s Not All Bad: Understanding and Using GNSS Multipath,” by Andria Bilich and Kristine Larson, mentions the use of multipath in...
OEM The K528G GNSS board. GNSS OEM board Positioning and heading for mission-critical applications The K528G dual-frequency, multi-constellation GNSS board provides the highest accuracy in...
By Philip Mattos, STMicroelectronics R&D Ltd. A one-chip multiconstellation GNSS receiver, now in volume production, has been tested in severe urban environments to demonstrate the benefits...
Hemisphere GPS announces the Eclipse P300 and Eclipse P301 OEM modules — its next-generation high‑performance compact modules for RTK GNSS applications. Based on new Hemisphere GPS multi-function...
Photo: Galileo Analysis of new Galileo signals at an experimental ground-based augmentation system (GBAS) compares noise and multipath in their performance to GPS L1 and L5. Raw noise and multipath...
Javad Ashjaee, president and CEO of JAVAD GNSS, invites engineers “who want to roll up their sleeves” to a working session at his company’s San Jose, California facility...
By Steve Hickling, Spirent GNSS have been with us for more than 30 years, giving rise to a wealth of positioning and navigation technologies for military, civilian, and consumer use. Today, we’re...
TerraStar GNSS, a supplier of precision positioning services for land and near-shore applications, has established a base at Nottingham University’s GNSS Research and Applications Centre of...
“We conclude that LightSquared’s proposed mobile broadband network will impact GPS services and that there is no practical way to mitigate the potential interference at this time.” These words...
Photo: peeterv/iStock/Getty Images Plus/Getty Images Complexity and Context: Key Challenges of Multisensor Positioning By Paul D. Groves, Lei Wang, Debbie Walter, Henry Martin, and Kimon Voutsis,...
A New Way to Test GNSS Receivers By Alexander Mitelman INNOVATION INSIGHTS by Richard Langley GNSS RECEIVER TESTING SHOULD NEVER BE LEFT TO CHANCE. Or should it? There are two common approaches to...
Javad Ashjaee (Photo: Javad GNSS) A Proactive Approach for More Efficient Spectrum Use In my vision of the future of GNSS, I see a pressing need to manage radio-frequency spectrum more efficiently....
GALILEO PROTOFLIGHTMODEL satellite began transmitting E1 and E5 signals in early December. ESA reports them well within power and shape specifications, and suited for interoperability with...
Innovation: GNSS Radio: A System Analysis and Algorithm Development Research Tool for PCs (PDF) By J.K. Ray, S.M. Deshpande, R.A. Nayak, and M.E. Cannon Published: May 2006 GPS World In this...
Javad Ashjaee, president and CEO of JAVAD GNSS, invites engineers “who want to roll up their sleeves” to a working session at his company’s San Jose, California facility...
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Since 2006Gps mobile phone jammer abstract judgment,gps mobile phone jammer abstract nj,NovAtel GPS-704-WB wideband antenna. NovAtel Inc. has launched the GPS-704-WB wideband antenna, which supports L-band and the frequencies of all current GNSS constellations (GPS, GLONASS,...
