1. National Environmental Satellite Service, National Oceanic and Atmospheric Administration, Washington, D.C. 20233
2. National Research Institute for Oceanology, Cape Town, South Africa
3. Visibility Laboratory, Scripps Institution of Oceanography, San Diego, California 92152
4. Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration, Seattle, Washington 98105
5. Computer Sciences Corporation, Silver Spring, Maryland 20910
6. Department of Physics, University of Miami, Coral Gables, Florida 33124
7. Laboratory for Atmospheric Sciences, National Aeronautics and Space Administration, Goddard Space Flight Center, Greenbelt, Maryland 20771
8. Texas A&M University, College Station 77843
9. Commission of the European Communities, Joint Research Center, Ispra Establishment, 21020 Ispra, Italy
10. National Aeronatics and Space Administration, Ames Research Center, Moffett Field, California 94035
11. Bigelow Laboratory, West Boothbay Harbor, Maine 04575