1. Geospace Physics Laboratory, Code 673, Heliophysics Science Division; NASA/Goddard Space Flight Center; Greenbelt Maryland USA
2. Geospace Physics Laboratory, Code 673, Heliophysics Science Division; CUA/Goddard Space Flight Center; Greenbelt Maryland USA
3. Institute of Atmospheric Physics, Czech Academy of Sciences; Prague Czech Republic
4. Space Weather Laboratory, Code 674, Heliophysics Science Division; UMBC/GPHI/Goddard Space Flight Center; Greenbelt Maryland USA
5. Heliospheric Physics Laboratory, Code 672, Heliophysics Science Division; GMU/SWL/Goddard Space Flight Center; Greenbelt Maryland USA