Seven technologies that put GPS in mobile phones around the world — the how and why of location’s entry into modern consumer mobile communications. By Frank van Diggelen, Broadcom Corporation...
BeiDou Signals, Future Receiver Design Highlighted at Stanford PNT Symposium By James D. Litton and Tom Langenstein James L. Litton The Stanford Center for Position, Navigation and Time conducted...
NovAtel, part of Hexagon’s Positioning Intelligence division, now brings users greatly improved processing speed and accuracy as well as significantly reduced signal acquisition time through the...
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,...
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...
A roundup of recent products in the GNSS and inertial positioning industry from the April 2019 issue of GPS World magazine. OEM GNSS receiver With embedded 9-DOF IMU Photo: Rokubun The Argonaut...
Galileo, that’s who! For dogged determination and persistent pushing-forwardness in the face of adversity, obstacles, and the occasional technical difficulty. That there may be occasional...
A newly published white paper by Loctronix Corporation presents preliminary test results of its Interference Detection System (IDS), which included capturing two separate incidents of intentional...
NavCom Technology Inc., a wholly owned subsidiary of Deere & Company, has released the Onyx multi-frequency GNSS OEM board. Offering integrated StarFire/RTK GNSS capabilities, Onyx features...
And the Beat Goes on Developments in the LightSquared saga came fast and furious in June; highlights are listed below and briefly recapped in the adjacent news story. It will be dated by the time you...
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...
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...
Innovation: The International GNSS Service: Any Questions? (PDF) By Angelyn W. Moore Published: January 2007 GPS World In this month’s column, Angelyn Moore, the IGS Central Bureau’s deputy...
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...
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...
GSG-55 GNSS simulator Spectracom, a global provider of time and frequency test and measurement solutions, will make available its new 16-channel GPS constellation simulator, the Pendulum GSG-55, in...
Part 1 of a Two-Part Story. Read Part 2 here. Cover: GPS World By Bradford W. Parkinson and Stephen T. Powers, with Gaylord Green, Hugo Fruehauf, Brock Strom, Steve Gilbert, Walt Melton, Bill...
Photo: Digital Matter Digital Matter’s Oyster2 4G battery-powered GPS receives PTCRB approval, AT&T certification and redesigned housing Digital Matter’s Oyster2 is now PTCRB approved...
Photo: Lockheed Martin The National Space-Based Positioning, Navigation and Timing (PNT) Advisory Board has scheduled a meeting for June 6-7 at the Westin Hotel in Alexandria, Virginia, reports the...