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...
Mark Sampson By Mark Sampson, Racelogic GNSS is changing. The days of only American GPS satellites providing signals to the civilian population are gone as new constellations are launched. GLONASS...
News courtesy of CANSPACE Listserv. The first navigation signal transmission from the fifth Galileo satellite, one of two Full Operational Capability satellites launched into wrong orbits on August...
By Thorsten Lück, Günter Heinrichs, IFEN GmbH, and Achim Hornbostel, German Aerospace Center This article discusses the GALANT adaptively steered antenna array and receiver and demonstrates the...
Nexteq Navigation has launched accelGRx, a platform for accelerating professional-grade GNSS receiver development. The platform provides open and production-ready hardware and software building...
Photo: peeterv/iStock/Getty Images Plus/Getty Images Ambiguity and Environmental Data: Two Further Key Challenges of Multisensor Positioning By Paul D. Groves, Lei Wang, Debbie Walter, and Ziyi...
Innovation: The International GNSS Service: Any Questions? (PDF) By Angelyn W. Moore Published: January 2007 GPS World In this month’s column, Angelyn Moore, the IGS Central Bureau’s deputy...
How Irregularities in Electron Density Perturb Satellite Navigation Systems By the Satellite-Based Augmentation Systems Ionospheric Working Group INNOVATION INSIGHTS by Richard Langley THE...
A team of Canadian and German researchers have obtained precise three-dimensional positions using measurements from the four prototype Galileo satellites now in orbit. The two In-Orbit Validation...
A Civilian GPS Position Authentication System By Zhefeng Li and Demoz Gebre-Egziabher INNOVATION INSIGHTS by Richard Langley MY UNIVERSITY , the University of New Brunswick, is one of the few...
A Hansel and Gretel Approach to Cooperative Vehicle Positioning By Scott Stephenson, Xiaolin Meng, Terry Moore, Anthony Baxendale, and Tim Edwards MEET GEORGE JETSON. Those of us of a certain age...
Just for the record: what is reported in “Detecting False Signals With Automatic Gain Control” (April GPS World ) is what we introduced a long time ago and is reflected in one of our videos, and...
Oxford Technical Solutions’ xOEMcore. Photo: Oxford Technical Solutions The xOEMcore, now being offered by Oxford Technical Solutions (OxTS), is an inertial navigation system that can also...
In November, December, and January, a regulatory drama with high potential impact on the GPS signal and domestic U.S. GPS users began unfolding before the Federal Communications Commission (FCC). As...
The design and verification of a new class of portable wideband record-and-playback system considers the relative merits and limitations of both simulator and record/replay approaches. The authors...
The third Galileo In-Orbit Validation flight model satellite being unloaded from its Antonov 124-100 transport aircraft at Cayenne Airport in French Guiana on August 7. The next Galileo navigation...
Loctronix ASR-2300 Loctronix Corporation, a provider of unified positioning solutions for GNSS-challenged environments, is making available its new software-defined radio (SDR) module, the ASR-2300,...
Bruce Carlson, president of Carlson Software, and William “Butch” Herter talk about the company’s new BRx5 GNSS Receiver and Surveyor2 data collector, among others,...
The U.S. Air Force 50th Space Wing’s 2nd Space Operations Squadron took command and control of the second GPS Block IIF satellite on August 19. SVN-63 (PRN 01) was set healthy on August 23. The...
Seven technologies that put GPS in mobile phones around the world — the how and why of location’s entry into modern consumer mobile communications. By Frank van Diggelen, Broadcom Corporation...
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