GPS-like Technology from Ohio State for New Moon Ventures
Ron Li, a professor of civil and environmental engineering and geodetic science at The Ohio State University, received a three-year, $1.2 million contract from the U.S. National Aeronautics and Space Administration (NASA) over the next three years to develop a GPS-like navigation system to be deployed on the moon. read more>>

Raytheon Preparing to Take GAGAN Beyond Demo Phase
Waltham, Mass.-based Raytheon Co. is leading a team that's bidding to build and implement the finalized GAGAN system, India's satellite based augmentation system (SBAS). read more>>

IGS Ponders the Implications of a Multiple GNSS World
What does the rise of European GNSS Galileo, along with other systems coming online, such as China's Beidou, mean for GNSS users? The International GNSS Service (IGS) is considering that very question, and anybody interested in the future use of GNSS for observing for high-accuracy applications will want to review its white paper on the subject. read more>>

Galileo Key to European Defense, Says Parliament
While the European Parliament agrees that European space policy should not support the weaponization of space, it nevertheless recognizes the need for Galileo to serve the European Union's defense and security — a change from its earlier stance on the issue. read more>>

Researchers Make Galileo Double Difference Measurements
Researchers at the Netherlands' Delft University of Technology (TU Delft) have produced the first double-difference measurements from Galileo satellite signals, tracking both GIOVE-A and GIOVE-B satellite with Septentrio GNSS receivers.
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Europe Seeks GNSS Advisory Contractor
With a public funds set aside for Galileo and EGNOS and related projects being put out to bid, Europe is also looking for intellectual GNSS expertise to help it get Galileo in orbit. read more>>

VirtuaLites: Another GPS Augmentation

The integration of GPS and INS systems has long been used to provide a robust, precise position solution for use in high accuracy applications, such as precision agriculture. The traditional method of integrating these two systems is through the use of data fusion techniques such as the Extended Kalman filter or other non-linear filtering techniques. Traditionally the GPS/INS Kalman filter is employed in either a loosely-coupled, tightly-coupled or ultra tight or deep-coupling arrangement.   more »