By Kyle Wesson, Daniel Shepard, and Todd Humphreys Disruption created by intentional generation of fake GPS signals could have serious economic consequences. This article discusses how typical civil...
QuickBird satellite image of Kalutara Beach on the southwestern coast of Sri Lanka showing the receding waters and beach damage from the Sumatra tsunami.( Credit: Digital Globe) How Ionospheric...
PRN 17, the first IIR-M satellite launched in September 2005, began broadcasting the second GPS civil signal, L2C, in December 2005. PRN 17 is the first in the new generation of GPS satellites with...
It Doesn’t Have to Be Expensive By Alison Brown, Jarrett Redd, and Mark-Anthony Hutton GNSS signal simulators can be expensive and beyond the limited budgets of many researchers. In this...
Update: Elon Musk, SpaceX’s CEO and chief designer, has posted an update on the status of the upcoming Falcon 9 launch on his Twitter account. “Will do another static fire of...
Ashton Carter, U.S. deputy secretary for Defense, and John Porcari, deputy secretary for Transportation, have written an official letter to the assistant secretary of Commerce stating that “there...
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...
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...
Improving Navigation Continuity Using Parallel Cascade Identification By Umar Iqbal, Jacques Georgy, Michael J. Korenberg, and Aboelmagd Noureldin To reliably navigate with fewer than four...
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...
By Kyle Wesson, Daniel Shepard, and Todd Humphreys Disruption created by intentional generation of fake GPS signals could have serious economic consequences. This article discusses how typical civil...
And the Beat Goes on Developments in the LightSquared saga came fast and furious in June; highlights are listed below and briefly recapped in the adjacent news story. It will be dated by the time you...
GPS World’s eighth annual Leadership Dinner took place during ION-GNSS in Portland, and was sponsored by Litton Consulting Group, Sigtem Technology, and JAVAD GNSS. Excerpts from some of the...
Aeroflex Incorporated, a wholly owned subsidiary of Aeroflex Holding Corp., has announced its capability to simulate WAAS (Wide Area Augmentation System) LPV (Localizer Performance with Vertical...
By Theresa Diehl The National Geodetic Survey (NGS) has issued a “Kinematic GPS Challenge” to the community in support of NGS’ airborne gravity data collection program, called Gravity for the...
A panorama from the GNSS tide gauge at Onsala Space Observatory. When satellites pass over the sky, the GNSS tide gauge uses signals direct from the satellite and signals reflected off the sea...
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...
On November 18, a Consultation Event will take place in Brussels on the subject of receiver technology. The event is being held to inform the stakeholders of the European GNSS receiver community...
Spirent’s GSS9000 constellation simulator. Spirent Communications, provider of testing solutions for positioning and navigations systems, has introduced the Spirent GSS9000...
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Since 2006Advanced mobile phone signal jammer with highlow o,mobile phone jammer Wolverhampton,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,...
