Christian Koyama, JAXA, Japan; Masanobu Shimada, Tokyo Denki University, Japan; Kazufumi Kobayashi, RESTEC, Japan; Manabu Watanabe, Tokyo Denki University, Japan; Ake Rosenqvist, soloEO, Japan; Masato Hayashi, JAXA, Japan; Tsutomu Yamanokuchi, RESTEC, Japan; Takeo Tadono, JAXA, Japan