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Frank Van Graas

Russ Professor
Electrical Engineering and Computer Science,Avionics Engineering Center
STKR 345
Phone: 740.593.1586

Frank joined the electrical engineering faculty in 1988. He is an Ohio University presidential research scholar and a past president of the Institute of Navigation (1998/1999). He served as the Institute of Navigation (ION) executive branch fellow at NASA headquarters in the Space Communications and Navigation office in 2009. He was a visiting professor at Delft University of Technology (1995, 1996) and Leeds University (1994-2003). He is the director of the Consortium of Ohio Universities on Navigation and Timekeeping (COUNT), treasurer of ION (2011-2013); executive committee member of the ION/IEEE Position, Location and Navigation Symposium; and a key technical advisor to the Federal Aviation Administration’s Ground-Based Augmentation Systems program.

Research Interests: Electronic navigation systems, aircraft precision appproach and landing, integrated navigation systems, remote sensing and surveillance systems, electro-optical and infrared camera-based navigation, ionospheric signal propagation, integration with inertial navigation sensors, aviation safety, autonomous vehicles.

All Degrees Earned: Ph.D., Electrical Engineering, Ohio University, 1988. M.S., Electrical Engineering, Delft University of Technology, 1985.


1. van Graas, F., Craig, S., Pelgrum, W., “Laboratory and Flight-Test Analysis of Rubidium Frequency Reference Performance Under Dynamics,” Proceedings of the 24th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2011), Portland, OR, September 2011, pp. 2950-.

2. Bruckner, D. C., Van Graas, F., Skidmore, T., Algorithm and Flight Test Results to Exchange Code Noise and Multipath for Biases in Dual Frequency Differential GPS for Precision Approach, NAVIGATION: Journal of The Institute of Navigation, Vol. 57, No. 3, 2010.

3. Van Graas, F., Soloviev, A., Uijt de Haag, M., Gunawardena, S., Closed-Loop Sequential Signal Processing and Open-Loop Batch Processing Approaches for GNSS Receiver Design, IEEE Journal of Selected Topics in Signal Processing, Special Issue on: Advanced Signal Processing for GNSS and Robust Navigation, Vol. 3, Issue 4, August 2009.

4. Van Graas, F., Soloviev, A. Precise Velocity Estimation Using a Stand-Alone GPS Receiver, NAVIGATION: Journal of The Institute of Navigation, Vol. 51, No. 4, 2004.

5. Van Graas, F., Diggle, D. W., Hueschen, R. M., Interferometric GPS Flight Reference/Autoland System: Flight Test Results, NAVIGATION: Journal of The Institute of Navigation, Vol. 41, No.1, Spring 1994.


Systems and Methods for Acquisition and Tracking of Low CNR GPS Signals, F. van Graas, A. Soloviev, S. Gunawardena, UK Patent No.: GB2435755, Filing date: 5 October 2005, Date of Patent: 28 April 2009; US Filing date: 22 September 2005. US Patent No.: 8013789, Filing date: 22 September 2005, Date of Patent: 6 September 2011.

Precision Approach Guidance System and Associated Method, J. Campbell, F. van Graas, M. Uijt de Haag, US Patent No.: 7920943, Filing date: 24 January 2006, Date of Patent: 5 April 2011.


Johannes Kepler Award for ""sustained and significant contributions to satellite navigation,"" from the Satellite Division of The Institute of Navigation, 20 September 1996.

Fellow, The Institute of Navigation, June 2001.

Colonel Thomas L. Thurlow Award for ""outstanding contribution to the science of navigation,"" from The Institute of Navigation, June 2002. 2010 Dr. Samual Burka Award from the Institute of Navigation to recognize outstanding achievement in the preparation of papers contributing to the advancement of navigation and space guidance for the journal paper “Algorithm and Flight Test Results to Exchange Code Noise and Multipath for Biases in Dual Frequency Differential GPS for Precision Approach” published in the Fall 2010 issue of NAVIGATION, Journal of The Institute of Navigation, Vol. 57, No. 3, pp 213.

2010 John Ruth Avionics Award from American Institute of Aeronautics and Astronautics (AIAA) “For Outstanding Lifetime Achievement in the Area of GPS Navigation, presented on October 19, 2011.