1. Department of Physics & Astronomy University of New Hampshire Durham NH USA
2. Institute for the Study of Earth, Oceans, & Space University of New Hampshire Durham NH USA
3. Departamento de Fisica Universidad de Santiago de Chile Santiago Chile
4. Center for Interdisciplinary Research in Astrophysics and Space Exploration (CIRAS) Universidad de Santiago de Chile Santiago Chile
5. Department of Electrical & Computer Engineering University of New Hampshire Manchester NH USA
6. NASA Goddard Space Flight Center Greenbelt MD USA
7. Geophysical Institute University of Alaska Fairbanks Fairbanks AK USA