Characteristics of 630nm auroral polarization observed at Pokar Flat, Alaska
Takasaki Shimpei1, Masato Kagitani1, Takeshi Sakanoi2 and Donald L Hampton3, (1)Tohoku University, Sendai, Japan, (2)PPARC, Tohoku University, Sendai, Japan, (3)University of Alaska Fairbanks, Fairbanks, AK, United States