The measurements discussed in this paper would not have been possible without the support of the following University of Wyoming staff:E. Gasaway, G. Gordon, P. Wechsler, K. Endsley, D. Lukens, and L. Irving. The analysis of the spectral variation of the measurements benefited greatly from discussions with Dr. Stephen Frasier of the University of Massachusetts Microwave Remote Sensing Laboratory. This work was made possible by NSF Grants ATM-9320672 to the University of Massachusetts and ATM-9319907 to the University of Wyoming, administered by Dr. Ron Taylor, Program Director, Physical Meteorology Program, Atmospheric Sciences Division.
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