*Anita Aikio¹、Nada Ellahouny¹、Gopika Prasannakumara¹、Lei Cai¹、Heikki Vanhamaki¹、Ilkka Virtanen¹、Marcus Pedersen¹、Aurelie Marchaudon²、Pierre-Louis Blelly²、Shinichiro Oyama³、Anthea Coster⁴ (1.University of Oulu, Finland、2.IRAP, Toulouse, France、3.ISEE, Nagoya University, Japan、4.MIT Haystack Observatory, USA)