1. Center for Atmospheric SciencesHampton University Hampton VA USA
2. High Altitude ObservatoryNCAR Boulder CO USA
3. School of Physics, Astronomy and Computational SciencesGeorge Mason University Fairfax VA USA
4. Space Science DivisionU.S. Naval Research Laboratory Washington DC USA
5. Goddard Space Flight CenterNASA Greenbelt MD USA
6. NASA Langley Research Center Hampton VA USA