1. Center for Space Physics; Boston University; Boston Massachusetts USA
2. Space Vehicles Directorate; Air Force Research Laboratory; Hanscom Air Force Base Massachusetts USA
3. Department of Electrical and Computer Engineering; University of Illinois; Urbana Illinois USA
4. Institute for Scientific Research; Boston College; Newton Center Massachusetts USA
5. Cooperative Institute for Research in Environmental Sciences; University of Colorado/NOAA; Boulder Colorado USA
6. Charged Particle Physics Branch; Naval Research Laboratory; Washington D. C. USA
7. Johns Hopkins University Applied Physics Laboratory; Laurel Maryland USA
8. Space Dynamics Laboratory, Department of Physics; Utah State University; Logan Utah USA