Bilitza, Dieter (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Brown, Steven A. (George Mason Univ. Fairfax, VA, United States)
Wang, Mathew Y. (George Mason Univ. Fairfax, VA, United States)
Souza, Jonas R. (Instituto Nacional de Pesquisas Espacias Sao Jose dos Campos, Brazil)
Roddy, Patrick A. (Air Force Research Lab. Hanscom AFB, MA, United States)