Multi-event analysis of oscillatory motion of medium-scale traveling ionospheric disturbances observed by a 630-nm airglow imager over Tromsø

Sneha Yadav1, Kazuo Shiokawa2, Shin-ichiro Oyama3 and Yuichi Otsuka3, (1)Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, (2)Nagoya Univ, Aichi, Japan, (3)Nagoya University, Nagoya, Japan