1 Daniel N. Baker is Distinguished Professor of Planetary and Space Physics and director of the Laboratory for Atmospheric and Space Physics at the University of Colorado, Boulder, Colorado. daniel.baker@lasp.colorado.edu.
2 Amal Chandran is associate director at the Satellite Research Center, Nanyang Technological University, Singapore, and program manager of INSPIRE at the University of Colorado, Boulder, Colorado. achandran@ntu.edu.sg.