1. Department of Earth Science; National Cheng Kung University; Tainan Taiwan
2. Earth Dynamic System Research Center; National Cheng Kung University; Tainan Taiwan
3. Institute of Space Science; National Central University; Chug-Li Taiwan
4. Center for Space and Remote Sensing; Research National Central University; Chung-Li Taiwan
5. National Space Organization; Hsinchu Taiwan
6. Plasma Physics Division, Naval Research Laboratory; Washington District of Columbia USA
7. Department of Physics; National Cheng Kung University; Tainan Taiwan