1. Department of Physics and Astronomy, University of Kansas, Lawrence, KS, USA
2. Heliophysics Division, NASA Goddard Space Flight Center, Greenbelt, MD, USA
3. Department of Physics, The Enrico Fermi Institute, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL, USA
4. Space Science Institute, Boulder, CO, USA
5. Instrumentation Design Laboratory, University of Kansas, Lawrence, KS, USA