1. National Research Council Washington District of Columbia USA
2. Naval Research Laboratory Monterey California USA
3. Now at Remote Sensing Division Naval Research Laboratory Washington District of Columbia USA
4. Marine Meteorology Division Naval Research Laboratory Monterey California USA
5. National Center for Atmospheric Research Boulder Colorado USA
6. NASA Goddard Space Flight Center Greenbelt Maryland USA
7. Department of Atmospheric Sciences University of North Dakota Grand Forks North Dakota USA