Remko Uijlenhoet, Wageningen University, Wageningen, Netherlands; and H. Stricker, S. Heijnen, H. Russchenberg, F. van der Zwan, I. Holleman, W. Hovius, H. Klein Baltink, and J. Warmer
David B. Wolff, NASA/GSFC, Greenbelt, MD and Science Systems and Applications, Inc., Lanham, MD; and J. Gerlach, D. Marks, A. Tokay, B. Fisher, D. Silberstein, and J. Wang