Rohde & Schwarz will be demonstrating its SMBV100A simulator at ION GNSS+ 2014, and is offering a new Wireless Standards poster for visitors to its booth. Rohde & Schwarz will be...
Improving Single-Frequency RTK in the Urban Enviornment By Mojtaba Bahrami and Marek Ziebart A look at how Doppler measurements can be used to smooth noisy code-based pseudoranges to improve the...
Analysis of Satellite Data Exposes Threats to Civil Aviation The Russian Federation is growing and actively nurturing a comparative advantage in the targeted use and development of GNSS spoofing...
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...
Orolia introduced its new GPS/GNSS testing and simulation portfolio, including the new GSG-8 advanced simulator, at ION GNSS+ 2019 in Miami. The new portfolio offers a comprehensive array of GNSS...
Spirent Communications today introduced the GSS6300M range of multi-channel GPS and multi-GNSS simulators for receiver integrators, application developers, aftercare and production testing...
Jackson Labs Technologies has released the latest upgrades to its GPS simulator and transcoder product line. Screenshot: Jackson Labs The latest version of freeware application SimCon rev. 1.20 is...
GPS signals extend farther than expected, meaning future space missions can reliably use GPS at extreme altitudes. By Danny Baird NASA’s Goddard Space Flight Center, Greenbelt, Maryland The 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...
GPS signals extend farther than expected, meaning future space missions can reliably use GPS at extreme altitudes. By Danny Baird NASA’s Goddard Space Flight Center, Greenbelt, Maryland The four...
Photo: Meinberg On April 6, the GPS system used by many organizations for critical infrastructure will perform a rollover. The rollover is the result of a legacy GPS navigation message which gives a...
Five Challenges, One Key Technology, the Political Battlefield — and a GPS Mafia Part 2 of a Two-Part Story. Read Part 1 here. By Bradford W. Parkinson and Stephen T. Powers, with Gaylord Green,...
Actions Necessary to Reduce Vulnerability and Ensure Availability By Brad Parkinson (From the 25th Anniversary GNSS History Special Supplement) Introduction Brad Parkinson About 40 years ago , we...
The Allystar INS Platform — the company’s latest technology — is a dual-antenna, multi-frequency, multi-GNSS inertial navigation system (INS) that delivers accurate and reliable...
The u-blox ZED-F9P, a high-precision GNSS module that delivers centimeter-level accuracy within seconds, has been incorporated into the latest electric Tron F90+ fixed-wing unmanned aerial vehicles...
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...
By Marcel Baracchi-Frei, Grégoire Waelchli, Cyril Botteron, and Pierre-André Farine The idea of a software receiver is to replace the data processing implemented in hardware with software and to...
A Chinese cargo ship, the Rongda Changsha , equipped with receivers downloading signals from the BeiDou Navigation Satellite System (BDS), arrived at Brunei, on the north coast of the island of...
Photo: Trimble Antenna development, going all the way back to the first antennas, has been one of continuous innovation,” Richard Langley wrote in our September issue. Even after more than 30...
The GPS Reflections Group of University of Colorado-Boulder has been awarded the prestigious Prince Sultan Bin Abdulaziz International Creativity Prize for Water. The prize is awarded biannually to...