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...
Photo: ViaLite ViaLite’s new Local Integrated GPS Splitter was designed to minimize rack space. Suitable to applications requiring a fan-out of GPS/GNSS signals within a single local area,...
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...
What’s in Store for the Next Solar Maximum? By Anna B.O. Jensen and Cathryn Mitchell Although the sun can become disturbed at any time, solar activity is correlated with the approximately 11-year...
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...
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...
Testing the Feasibility of Positioning Using Ambient Light By Jingbin Liu, Ruizhi Chen, Yuwei Chen, Jian Tang, and Juha Hyyppä INNOVATION INSIGHTS by Richard Langley AND THEN THERE WAS LIGHT....
Orolia will host a second industry discussion on the positioning, navigation and timing (PNT) Executive Order, a federal initiative to protect critical infrastructure from GPS/GNSS jamming and...
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....
News courtesy of CANSPACE Listserv. Starting December 31, 2014, the Air Force 2nd Space Operations Squadron began transmitting daily CNAV uploads. The CNAV signals should continue to be...
Harris Corporation has received a $243 million contract from Lockheed Martin to provide fully digital navigation signals for the first two GPS III Follow-On (GPS IIIF) satellites — to deliver...
In a report issued on Jan. 14, the Department of Transportation (DOT) outlined the results of its GPS Backup Technology Demonstration project. As officials had previously projected, it called for a...
AURORA BOREALIS seen from Churchill, Manitoba, Canada. Ionospheric scintillation research can benefit from this new method. (Photo: Aiden Morrison) Photo: Canadian Armed Forces By Aiden Morrison,...
Image: ESA The European Commission has issued industrial contracts worth €1.47 billion ($1.97 billion) to build next-generation Galileo satellites to Airbus and Thales Alenia Space, reports BBC...
News from the European Space Agency The latest four Galileo satellites have been given the green light to begin working alongside the rest of Europe’s satellite navigation fleet, giving a further...
Photo: peeterv/iStock/Getty Images Plus/Getty Images Complexity and Context: Key Challenges of Multisensor Positioning By Paul D. Groves, Lei Wang, Debbie Walter, Henry Martin, and Kimon Voutsis,...
With Orolia’s Skydel SDX API, GMV has developed a “Time Plugin” that allows to batch edit the numerical values associated to TGDs, UTCO and Leap Seconds. (Image: GMV) ...
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...
Insitu RQ-21 Blackjack (Photo: Boeing) With tariffs, trade wars and sanctions ruling the day, how is a self-respecting UAS manufacturer supposed to make a buck? And to whom are the manufacturers of...
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...