A Primer on GPS Truth By David Rutledge True to its word origins, accuracy demands careful and thoughtful work. This article provides a close look at the differences between the precision and...
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...
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...
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...
Photo: Orolia Not just supporting players, alternative positioning, navigation and timing (PNT) systems strengthen, augment and — when needed — replace GNSS. GPS World explores how companies are...
A Hansel and Gretel Approach to Cooperative Vehicle Positioning By Scott Stephenson, Xiaolin Meng, Terry Moore, Anthony Baxendale, and Tim Edwards MEET GEORGE JETSON. Those of us of a certain age...
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...
Yang Changfeng, chief architect, BeiDou Navigation Satellite System, speaks at an international event. (Photo: BDS) On July 31, 2020, BDS-3, the global version of the BeiDou Navigation Satellite...
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...
A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 4E at Vandenberg Air Force Base, California, Jan. 14. (Photo: SpaceX) Starting this month, the inspector general for the U.S. Pentagon...
Skydel Solutions has updated its SDX GNSS simulator to version 19.1. The new version adds Galileo AltBOC signal generation, new atmospheric errors, SBAS improvements and SV antenna patterns. Galileo...
Oxford Technical Solutions’ xOEMcore. Photo: Oxford Technical Solutions The xOEMcore, now being offered by Oxford Technical Solutions (OxTS), is an inertial navigation system that can also...
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...
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...
We used to divide GPS receivers into consumer grade, resource grade and survey grade. Have these categories been replaced by a continuum of GNSS capabilities? Clem Driscoll “In the U.S....
Image: GSA The new GSA GNSS Market Report is now available for download. The report provides a comprehensive overview of the GNSS market and the global industry, as well as a focus on EGNSS...
Image: Quectel Quectel Wireless Solutions has launched a compact dual-band GNSS module, the LC79D, that supports the L1 and L5 bands from navigation satellites to improve positioning accuracy....
Photo: Taoglas Taoglas, a provider of next-generation internet of things (IoT) solutions, has launched Edge Locate, a GNSS L1/L2/E5 module that combines antenna, RF electronics and receiver...
GNSS and inertial navigation sensors are meeting the challenges of extreme conditions, from freezing Arctic ice to the edges of steaming volcanoes, from high-speed aircraft over cities to the subways...
A roundup of recent products in the GNSS and inertial positioning industry from the March 2019 issue of GPS World magazine. MEMS INS/GPS Update improves heading performance and reduces jitter Photo:...