1. NASA Goddard Space Flight Center; Greenbelt Maryland USA
2. Laboratório de Ciências Espaciais de Santa Maria; Santa Maria RS Brazil
3. Atmospheric Sciences; University of California, Los Angeles; Los Angeles California USA
4. Johns Hopkins University/Applied Physics Laboratory; Laurel Maryland USA
5. NOAA Space Environment Center; Boulder Colorado USA
6. Earth and Planetary Sciences; University of Kyushu; Fukuoka Japan
7. Danish Meteorological Institute; Copenhagen Denmark