Inside GNSS: Engineering Solutions from the Global Navigation Satellite System Community
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Ventures • November 8, 2009

Vehicle Positioning with GNSS — at the Speed of Sound

A team led by led by Seattle, Washington–area aerospace and computer experts is attempting to break the sound barrier to surpass the world land speed record of 763 miles per hour — and they’re using GNSS technology to help them do it.

December 1, 2009 - December 3, 2009
Gold Coast, Queensland, Australia
October 23, 2009

GLONASS Launch Postponed until February

Problems with a navigation payload on a recently launched GLONASS-M satellite appear to have become a greater cause for concern for Russian Federal Space Agency (Roskosmos) than previously expected, leading to a further delay in a scheduled September 25 launch until next February.

New Builds • October 7, 2009

DataGrid Launches New GNSS Receiver for OEM Integrators

DataGrid, Inc. has released the third generation of its programmable DGRx-GNSS receiver for OEM integrators as well as a high-sensitivity mode for DGRx-GNSS that allows the receiver to track the L1 and L2C codes transmitted by GPS and GLONASS satellites down to a signal level of only 15 dB-Hz.

New Builds • October 5, 2009

Trimble Introduces RTK GNSS OEM Receiver

Trimble introduced its new Trimble BD970, a real-time kinematic (RTK) GNSS receiver for high-precision and control application, at the ION GNSS 2009 show in September.

Capable of receiving a wide range of commercially available satellite signals, the BD970 receiver is designed to allow OEMs and system integrators to easily add centimeter-level positioning to specialized or custom hardware solutions.

New Builds • October 1, 2009

NovAtel Launches GPS / GLONASS Products at ION Conference

NovAtel Inc. rolled out a series of new products and a firmware upgrade at the Institute of Navigation’s ION GNSS 2009 conference held September 22-25 in Savannah, Georgia, USA.

The Calgary, Alberta, Canada–based GNSS manufacturer announced the launch of their new single-frequency GNSS receiver, OEMStar. The low-cost, 14-channel, L1 receiver measures 46 x 71 millimeters and consumes just 750 milliwatts of power when tracking both GPS and GLONASS signals.

September 30, 2009

Septentrio Introduces First GNSS / IMU Receiver, New GPS / GLONASS Board, Redesigned Website

Septentrio has launched AsteRxi, the company’s first multi-sensor GNSS receiver as well as the AsteRx2eH, a single-board dual-frequency dual-antenna GPS/GLONASS heading receiver, specially designed for demanding machine control, marine survey, photogrammetry and other multi-antenna applications.

September 30, 2009

On-Orbit Signal Problem Delays Next GLONASS Satellite Launch; Russian Space Agency Investigates

A problem caused by the signal generator in an on-orbit GLONASS-M satellite (#726) led the Russian space agency (Roscosmos) officials to delay a scheduled September 25 launch of three new spacecraft.

Sergey Revnivykh, deputy director general of Roscosmos’s Central Research Institute of Machine Building, told Inside GNSS today (September 30) that the agency has set up a task force that includes Revnivykh to investigate the problem with the on-orbit satellite and to ensure that the new spacecraft are free of similar technical difficulties.

Inside GNSS • September/October 2009

Good, But Not Great

This book is a welcome addition to the GNSS textbook literature by the team of authors who have since 1992 produced five editions of an excellent book on GPS targeting high precision users, Global Positioning System (GPS): Theory and Practice. Hofmann-Wellenhof is also the lead author of the 2003 book, Navigation, and for the second edition of the classic Physical Geodesy (2006).

Inside GNSS • September/October 2009

Fireside GPS

My history with GPS began during the time of the “Cold War” in what was then Czechoslovakia. In 1975, the ION Journal of Navigation was the only information available to me.  Despite that, my team at the Czech Technical University developed a GPS receiver and measured the position of our faculty in 1984.  In those relatively isolated years, we gained a good deal of experience with GPS signals.

Jammer Dectector
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