Observational evidence of predawn plasma bubble and its irregularity scales in Southeast Asia

Kornyanat Hozumi1, Roland T Tsunoda2, Tatsuhiro Yokoyama3, Mamoru Ishii4 and Takuya Tsugawa1, (1)NICT National Institute of Information and Communications Technology, Tokyo, Japan, (2)SRI International Palo Alto, Palo Alto, CA, United States, (3)National Institute of Information and Communications Technolog, Koganei, Japan, (4)National Institute of Information and Communications Technology, Tokyo, Japan