12:30 〜 12:45
*M Venkat Ratnam1、S. Eswariah2、N. Venkateswara rao1、S. Vijayabhaskar rao2、K. Kishore kumar3、S. Sathish kumar4、S. Gurubaran4 (1.National Atmospheric Research Laboratory、2.Sri Venkateswara University、3.Space Physical Laboratory、4.Indian Institute of Geomagnetism)