By John Nielsen, Ali Broumandan, and Gérard Lachapelle Ubiquitous adoption of and reliance upon GPS makes national and commercial infrastructures increasingly vulnerable to attack by criminals,...
Maxtena Inc. has introduced a patented GNSS antenna designed for high-precision and autonomous multi-frequency applications. The M7HCT-A-SMA antenna is a high-accuracy, multi-frequency active...
The Institute of Navigation (ION) is seeking abstracts for ION GNSS+ 2021: GNSS + Other Sensors in Today’s Marketplace, which is slated to take place Sept. 20-24 in St. Louis. A virtual option for...
Photo: Trimble Trimble has introduced the Trimble AX940 and AX940i high-precision GNSS smart antennas, designed for a broad range of high-precision applications such as precision agriculture,...
Photo: PCTEL PCTEL Inc. has released an antenna that combines precision multi-constellation GNSS with high-performance LTE, sub-6 GHz 5G, Bluetooth and Wi-Fi connectivity. The Coach II antenna with...
Maxtena Inc. has introduced a patented GNSS antenna designed for high-precision and autonomous multi-frequency applications. The M7HCT-A-SMA antenna is a high-accuracy, multi-frequency active...
A year-long project aboard a commercial cargo ship collected tens of thousands of snapshots of radio-frequency interference in the GNSS band on a passage from Spain to Korea and back. Most...
Swift Navigation, a firm specializing in GNSS positioning technology for autonomous vehicles, looks back on a year of progress in 2019 and forward to what’s ahead in 2020. 2019...
A Companion Measure of Systematic Effects By Dennis Milbert GPS receivers must deal with measurements and models that have some degree of error, which gets propagated into the position solution. If...
By Ruizhi Chen, Heidi Kuusniemi, Yuwei Chen, Ling Pei, Wei Chen, Jingbin Liu, Helena Leppäkoski, Jarmo Takala Currently, no single technology, system, or sensor can provide a positioning solution...
Launch of a weather balloon in Australia. (Photo: Townsville Meteorological Office/Bureau of Meteorology) The GPS Week Number Rollover, which took place April 6, has grounded the Australian Bureau...
M3 Systems is now offering the StellaNGC multi-constellation GNSS simulator based on the National Instruments (NI) vector signal transceiver. The simulator is designed for the testing of satellite...
The Institute of Navigation (ION) presented its Annual Awards during the ION International Technical Meeting and Precise Time and Time Interval Systems and Applications Meeting, both held virtually...
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...
The GSG-51 GNSS signal generator provides a fast and cost-effective solution for production testing for Galileo and other GNSS. It emulates a single GNSS signal and can be upgraded for Galileo, as...
Xiaomi Mi 8 dual-frequency smartphones procured for teams participating in ESA’s second Galileo App Competition, taking place at ESTEC in the Netherlands on April 18. (Photo: ESA) The...
China launched another BeiDou satellite into space from the Xichang Satellite Launch Center in Sichuan Province at 10:41 p.m. April 20, according to Xinhua. The inclined geosynchronous Earth...
The new helical antenna in both housed (right) and unhoused form. (Photo: Allison Barwacz) Tallysman, a manufacturer of high-performance GNSS and iridium antennas, launched the first three products...
Not just supporting players, alternative positioning, navigation and timing (PNT) systems strengthen, augment and — when needed — replace GNSS. We explore how companies are using alternative PNT,...
u-blox and Rohde & Schwarz (R&S), a supplier of test and measurement equipment, have successfully concluded a simulation of the European Galileo satellite positioning system. The...