Vassilis Angelopoulos¹, Ethan Tsai², Colin Wilkins³, Ryan Caron², Andrei Runov², Xiaojia Zhang⁴ and The ELFIN Team, (1)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (2)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences and Institute of Geophysics and Planetary Physics, Los Angeles, CA, United States, (3)Space Sciences Laboratory, Berkeley, CA, United States, (4)UCLA, Los Angeles, United States