Spirent’s simulation systems have changed significantly from their technology beginnings, which can be traced back to World War II radars. The company and its technology have evolved to keep pace...
By Frank van Diggelen, Global Locate, Inc. This update to a frequently requested article first published here in 1998 explains how statistical methods can create many different position accuracy...
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...
By Frank van Diggelen, Global Locate, Inc. This update to a frequently requested article first published here in 1998 explains how statistical methods can create many different position accuracy...
Handling the Biases for Improved Triple-Frequency PPP Convergence By Denis Laurichesse Precise point positioning (PPP) can be considered a viable tool in the kitbag of GPS positioning techniques....
GNSS simulation expert Spirent Federal is inviting users to “a rigorous and thorough” one-and-a-half-day training conference, including a half-day of For Official Use Only (FOUO)...
A performance assessment demonstrates the ability of a networked group of users to locate themselves and each other, navigate, and operate under adverse conditions in which an individual user would...
GNSS simulation expert Spirent Federal is inviting users to “a rigorous and thorough” one-and-a-half-day training conference, including a half-day of For Official Use Only (FOUO)...
An Object-Oriented Software Platform Suitable for Multiple Receivers By Eliot Wycoff, Yuting Ng, and Grace Xingxin Gao INNOVATION INSIGHTS by Richard Langley AND NOW FOR SOMETHING COMPLETELY...
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...
u-blox, a positioning and wireless semiconductors, announces the acquisition of UK-based Cognovo Ltd., a company specializing in software defined modem (SDM) chip development technology. The...
Can They Be Better? By Tony Haddrell, Marino Phocas, and Nico Ricquier We examine the antenna designs that provide GPS functionality to mobile phones and why most phones still do not provide GPS...
Testing GNSS Receivers with Record and Playback Techniques By David A. Hall Is there a way to perform repeatable tests on GNSS receivers using real signals? This month’s column looks at how to use...
A U.S. judge dismissed the bulk of two lawsuits by LightSquared and equity owner Harbinger Capital Partners, reports Reuters. The suits accused Trimble, Garmin and Deere & Co. of misleading...
Taking the Search out of Search and Rescue By David W. Affens, Roy Dreibelbis, James E. Mentall, and George Theodorakos In 1997, a Canadian government study determined that an improved search and...
By Hans-Georg Büsing, Ulrich Haak, and Peter Hecker Future safety-relevant driver assistant systems demand vehicle state estimations accurate enough to match the position within a road lane, which...
Once again, developments in the news outpaced print technology’s ability to keep up in the LightSquared saga. Shortly after the July issue went to press on June 27, the TWG final report appeared on...
Mario Proietti By Mario Proietti New technology and wireless carrier openness now make real-time access to telephone location information available to the enterprise with no application required on...
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...
Tallysman TW4327 and TW4329 antennas. Tallysman Wireless, Inc., is offering a family of very low power, compact, high-performance GNSS antennas for precision, commercial, and military applications....
Electronic mobile phone jammer | mobile phone jammer reviews
Since 2006Electronic mobile phone jammer,mobile phone jammer reviews, The Galileo Test and Development Environment (GATE) in Berchtesgaden, Germany, officially opened on February 4. The system operator, IFEN GmbH of Poing, Germany, jointly with the German...
