The United States Civil GPS Service Interface Committee (CGSIC) has issued a notice about a problem some receivers are having implementing the correct time. The U.S. Coast Guard Navigation Center...
GSG-62 simulator Spectracom announced its new L1+L2 dual-frequency 32-channel multi-GNSS simulator, the GSG-62. The GSG-62 offers multiple frequency band operation, multiple GNSS constellation...
News courtesy of CANSPACE Listserv. Roscosmos is conducting further tests on the launch vehicle for the SES-5 satellite, and have postponed the launch for two days. The new launch date is...
Photo: NVS Technologies Evaluation Kit NV08C-EVK-CSM by NVS Technologies is a set of instruments for a developer of systems based on NVS Technologies’ NV08C-CSM module. Use of EVK-CSM is a...
An alternative tool for detecting underground nuclear explosions? By Dorota A. Grejner-Brzezinska, Jihye Park, Joseph Helmboldt, Ralph R. B. von Frese, Thomas Wilson, and Jade Morton Well-concealed...
By Wei Liu, Xingqun Zhan, Li Liu, and Mancang Niu A comprehensive methodology combines spectral-separation and code-tracking spectral-sensitivity coefficients to analyze interference among GPS,...
Positioning in Challenging Environments Using Ultra-Wideband Sensor Networks By Zoltan Koppanyi, Charles K. Toth and Dorota A. Grejner-Brzezinska INNOVATION INSIGHTS by Richard Langley QUICK....
To meet the challenges inherent in producing a low-cost, highly CPU-efficient software receiver, the multiple offset post-processing method leverages the unique features of software GNSS to greatly...
By Inder Jeet Gupta It is well known that the phase center of a GNSS antenna can vary with the satellite direction. This phase center movement leads to aspect dependent carrier phase and code phase...
A senior Chinese government space official on Feb. 5 said precision-navigation user receivers in China will be fitted with chipsets receiving satellite signals from BeiDou, GPS, GLONASS, and...
Photo: Mark L. Psiaki, Brady W. O’Hanlon, Steven P. Powell, Jahshan A. Bhatti, Todd E. Humphreys, and Andrew Schofield Spoofing Detection with Two-Antenna Differential Carrier Phase By Mark L....
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...
A subsidiary of the UK Ministry of Defence has been granted a UK patent on the MBOC signal design, which was a product of lengthy and cooperative negotiations between U.S. and European scientists....
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...
Navigation and positioning test system supplier Spirent Communications this week introduced a software suite for the STR4500 GPS simulator, enabling users to generate their own test cases based on...
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...
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...
“This is an event where one gets one’s goals for the next year.” Paul Verhoef, program director for satellite navigation programs of the European Commission, may have exaggerated for effect,...
By Alan Cameron Perhaps you don’t track suspected criminals in your spare time, nor do you design or supply a GNSS product that does so. Still, the fresh Supreme Court ruling on GPS use for this...
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Since 2006Mobile phone and gps jammer china,cell phone & gps jammer china,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,...
