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,...
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...
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...
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,...
Satellites NTS-1, 2 and 3. (Illustration: Lt. Jacob Lutz, AFRL Space Vehicles Directorate) Just last month we celebrated the kickoff of the GPS III campaign, reporting on the launch of the first...
Third Lockheed Martin-Built GPS III satellite climbs to orbit on its own power GPS III SV03 increases number of secure military code (M-code) enabled satellites in GPS constellation to 22 total. ...
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...
This tongue-in-cheek photo, courtesy of Racelogic, underlines how simulators help GNSS engineers “road test” multiple positioning products in multiple scenarios. (Photo: Racelogic) The number of...
Innovation: Satellite Navigation Evolution: The Software GNSS Receiver (PDF) By Glenn MacGougan, Peter Ludvig Normark, and Christian Stahlberg Published: January 2005 GPS World In this month’s...
Image: Swift Navigation Skylark is now available across the contiguous United States, enabling safe and lane-level accurate positioning. Swift Navigation’s network-connected Skylark...
GSG-54 GNSS simulator Spectracom’s new 8-channel GPS constellation simulator, the Pendulum GSG-54, provides a wide-range of capabilities for in-line production testing of devices...
The OSA 5401 and OSA 5405 now enable power utility and broadcast networks to achieve sub-microsecond synchronization. (Photo: Business Wire) Upgraded PTP grandmaster clocks deliver precise, robust...
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...
Autonomous GPS Positioning at High Earth Orbits To initially acquire the GPS signals, a receiver also would have to search quickly through the much larger range of possible Doppler shifts and code...
New modules enable entertainment, advanced connectivity features and next-generation artificial intelligence Qualcomm Technologies has launched three new mobile platforms — the Qualcomm Snapdragon...
New modules enable entertainment, advanced connectivity features and next-generation artificial intelligence Qualcomm Technologies has launched three new mobile platforms — the Qualcomm Snapdragon...
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...
Photo: Damen The Coast Guard Navigation Center has published a special notice to mariners that use GPS equipment. The special notice outlines the details of the GPS Week Number Rollover that will...
By Markus Brandl, Xiaoming Chen, Herbert Landau, Carlos Rodriguez-Solano and Ulrich Weinbach This article updates a July 2012 feature in GPS World , “Real-Time Extended GNSS Positioning: A New...
Image: Event Horizon Telescope Collaboration Atomic clocks support world’s first black hole photo Orolia, through its joint venture company T4Science Inc. in Switzerland, supported the...