Beijing National Observatory of Space Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China

State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing, China

Beijing National Observatory of Space Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China

School of Earth and Space Sciences, University of Science and Technology of China, Hefei, China

Max-Planck-Institut für Sonnensystemforschung, Katlenburg-Lindau, Germany

Universidade do Vale do Paraíba, Sao Jose dos Campos, Sao Paulo, Brazil

Lowell Digisonde International, LLC, Lowell, MA, USA

Center for Atmospheric Research, University of Massachusetts, Lowell, MA, USA