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Dr. Attila Komjathy NASA-JPL	Dr. Seebany Datta-Barua Atmospheric & Space Technology Research Associates, LLC

Click on underlined paper titles to view abstracts.

	Title/Author
1.	Correcting the Negative Values of the Retrieved Ionospheric Electron Density Profiles Using the NNLS Algorithm: F. Ghafoori, University of Calgary, Canada
2.	Benefit of Partial L2C Availability for Correcting Ionospheric for Standalone GPS: K. O´Keefe, W. Da, M.G. Petovello, University of Calgary, Canada
3.	Higher Order Ionosphere Errors at Arecibo, Millstone, and Jicamarca: N. Matteo, Y. Morton, P. Chandrasekaran, Miami University; F. van Graas, Ohio University
4.	Characterizing Ionospheric Irregularities for Auroral Scintillations: S. Skone, R. Tiwari, M. Feng, University of Calgary, Canada; A. Coster, MIT Haystack Observatory
5.	Positioning Enhancement Based on a New Weighting Scheme to Solve an III-Conditioned Case: Y-W. Ahn, University of New Brunswick, Canada
6.	Prediction of Zenith Tropospheric Delays for Improved Ambiguity Resolutions Over Long-Baseline CORS Networks: C. Wang, Y. Feng, Queensland University of Technology, Australia; N. Zhou, GPS Trend Pty Ltd., Australia
8.	A GPS-Based Earth Troposphere Calibration System for Doppler Tracking of Deep Space Probes: A. Graziani, R. Bertacin, A. Schiavone, P. Tortora, Universita di Bologna, Italy; F. Budnik, M. Mercolino, ESA-ESOC, Germany
Alternate
2.	Assimilation of GPS Radio Occultation Observations with a Near Real-Time GPS PPP-Inferred Water Vapor System: J. Shi, Y. Gao, Department of Geomatics Engineering, University of Calgary, Canada

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