NASA’s Space Communications and Navigation (SCaN) program is developing capabilities that will allow missions at high altitudes to take advantage of GNSS signals for timing and navigation,...
By Marcel Baracchi-Frei, Grégoire Waelchli, Cyril Botteron, and Pierre-André Farine The idea of a software receiver is to replace the data processing implemented in hardware with software and to...
Analysis of Satellite Data Exposes Threats to Civil Aviation The Russian Federation is growing and actively nurturing a comparative advantage in the targeted use and development of GNSS spoofing...
An Introduction to Bandwidth, Gain Pattern, Polarization and All That How do you find best antenna for particular GNSS application, taking into account size, cost, and capability? We look at the...
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...
BCM4776 chip utilizes 30 new L5 signals to deliver higher navigational accuracy and yield Photo: Broadcom Broadcom introduced in 2017 the first mass-market implementation of dual frequency:...
Aeroflex has introduced the GPSG-1000, a portable GPS and Galileo positional simulator. The GPSG-1000 is lightweight and configurable. It fills a gap in the market by providing a low-cost 12-channel...
By Thomas A. Stansell, Kenneth W. Hudnut, and Richard G. Keegan The new GPS L1C signal will be broadcast by the Block III satellites, with first launches as early as 2014. L1C innovations...
Photo: Systron Donner Systron Donner Inertial (SDI) has released an update to its SDN500 digital quartz MEMS GPS inertial navigation system (GPS/INS). Introduced in 2011, the SDN500 is a platform...
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...
Protection from jamming has emerged as the key concern of of both national and organizational/corporate infrastructures. The world abounds in bad actors, and systems based on GNSS signals are...
Rohde & Schwarz has added the R&S RTM-K18 spectrum analysis and spectrogram option to its R&S RTM oscilloscope family, making the R&S RTM the only oscilloscope in its...
A black hole has been imaged for the first time. The image was captured by a world-spanning network of radio telescopes that together create the Event Horizon Telescope. It zeroed in on the...
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...
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...
Septentrio’s mosaic chip-level GNSS. (Photo: Septentrio) Septentrio’s mosaic development kit is now available for testing and integration. Mosaic is Septentrio’s most compact,...
Protective radome housing for the Galileo ground station on desolate Jan Mayen Island in the Norwegian Arctic. The site is housing a Galileo Sensor Station plus satellite link to pass data back to...
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,...
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...
Opposing the FCC’s Ligado Decision Not surprisingly, the primary topic at the July 1 meeting of the National Space-based Positioning, Navigation and Timing Advisory Board was the Federal...