Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville, Huntsville, AL 35899, USA; National Space Science and Technology Center, 320 Sparkman Dr, Huntsville, AL 35805, USA
National Space Science and Technology Center, 320 Sparkman Dr, Huntsville, AL 35805, USA
National Space Science and Technology Center, 320 Sparkman Dr, Huntsville, AL 35805, USA
Space Sciences Laboratory, University of California, Centennial Drive at Grizzly Peak Blvd., Berkeley, CA 94720, USA
Applied Physics Laboratory, Johns Hopkins University, Laurel, MD 20723, USA
Applied Physics Laboratory, Johns Hopkins University, Laurel, MD 20723, USA