Preliminary validation of Himawari-8/AHI navigation and calibration. - Arata Okuyama; Akiyoshi Andou; Kenji Date; Keita Hoasaka; Nobutaka Mori; Hidehiko Murata; Tasuku Tabata; Masaya Takahashi; Ryoko Yoshino; Kotaro Bessho (Earth Observing Systems, 2015)