National Cheng Kung University, Department of Physics, National Cheng Kung University, Tainan, 70101 Taiwan
National Cheng Kung University, Department of Physics, National Cheng Kung University, Tainan, 70101 Taiwan
National Cheng Kung University, Department of Physics, National Cheng Kung University, Tainan, 70101 Taiwan
National Cheng Kung University, Department of Physics, National Cheng Kung University, Tainan, 70101 Taiwan
National Cheng Kung University, Department of Physics, National Cheng Kung University, Tainan, 70101 Taiwan
National Cheng Kung University, Department of Physics, National Cheng Kung University, Tainan, 70101 Taiwan
University of California, Space Science Laboratory, University of California, Berkeley, CA 94720, USA
University of California, Space Science Laboratory, University of California, Berkeley, CA 94720, USA
Tohoku University, Department of Geophysics, Tohoku University, Sendai, 980-8578 Japan
Tohoku University, Department of Geophysics, Tohoku University, Sendai, 980-8578 Japan
National Cheng Kung University, Department of Physics, National Cheng Kung University, Tainan, 70101 Taiwan; National Applied Research Laboratories, National Applied Research Laboratories, Taipei, 10646 Taiwan