Clement Ogaja: Assistant Professor

Department of Civil and Geomatics Engineering —

Dr. Ogaja has a B.Sc. in Surveying (University of Nairobi, 1997) and a PhD in Geomatics Engineering (University of New South Wales, 2002). He worked for Aerophoto Systems Engineering Company during 1997-1999 and Geoscience Australia Space Geodesy during 2003-2007. In 2007, he took up assistant professor position at the California State University Fresno in the Department of Civil and Geomatics Engineering.

Areas of interest: Geomatics, GPS/GNSS, Satellite Geodesy:

Ogaja, C., "Applied GPS for Engineers and Project Managers," American Society of Civil Engineers / ASCE Press, 2011. (GPS book for engineers, surveyors, and GIS professionals).

Ogaja, C., "Geomatics Engineering: A Practical Guide to Project Design," Taylor & Francis Group / CRC Press, 2010. (ISBN: 978-1-4398-1743-8 eBook ISBN: 978-1-4398-1744-5)

Ogaja, C. (PI), R. Munjy (Co-PI), J. Larralde (Co-PI), and C. Won (Co-PI), "Applying GPS Data to Understand Travel Behavior," A research proposal in response to a RFP Number NCHRP 08-89 by The Transportation Research Board of The National Academies, November 2011.

Ogaja, C., "Crustal Dynamics in California: Implications for Large-Scale CSP Tower Systems," ASES National Solar Conference (Solar 2010), Phoenix, Arizona, May 17-22, 2010.

Dammalage T.L., Satirapod C., Kibe S. & C. Ogaja, "C/A code multipath mitigation at GPS base stations for improved DGPS corrections using wavelets ," Survey Review, 42, 317, 240-255, July, 2010.

Zhao S-H., X-S. Lu, Q-F. Wang, G-R. Hu & C. Ogaja, "Analysis and evaluation of various tropospheric modelling approaches for high-precision GPS kinematic positioning over medium ranges and at high altitude: A case study," Journal of Surveying Engineering, Vol. 135, No.2, May 1, 2009.

Ogaja, C. (PI) and S. Bhaskaran (CUNY), NSF REU Site Proposal: "GPS/GIS Laboratory Exercises for Undergraduate Research and Summer Internship". Submitted to the NSF, August 2008.

Ogaja, C., Li, X., Rizos, C. "Advances in structural monitoring with Global Positioning System Technology: 1997-2006," Journal of Applied Geodesy, 1(3), 171-179, 2007.

Ogaja, C., & C. Satirapod, "Analysis of high-frequency multipath in 1-Hz GPS kinematic solutions," GPS Solutions-Springer Verlag, Volume 11, Number 4, 269-280, DOI 10.1007/s10291-007-0058-8, 2007.

Ogaja, C., & J. Hedfors, "TEQC multipath metrics in MATLAB," GPS Solutions, Volume 11, Number 3, 215-222, DOI 10.1007/s10291-006-0052-6, 2007.

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