1. Institute of Space, Astrophysical and Plasma Sciences; National Cheng Kung University; Tainan Taiwan
2. Plasma and Space Science Center; National Cheng Kung University; Tainan Taiwan
3. Acedemia Sinica; Taipei Taiwan
4. Institute of Space Science; National Central University; Chung-Li Taiwan
5. Department of Geophysics, Graduate School of Science; Kyoto University; Kyoto Japan
6. High Altitude Observatory; National Center for Atmospheric Research; Boulder Colorado USA