Characteristics of ionospheric irregularities 1 near the north EIA at 121 ° E 2

Jinghua Li 1 , Guanyi Ma 1,2 , Klemens Hocke 3,4 , Qingtao Wan 1 , Jiangtao Fan 1 , Xiaolan Wang 1 3 1 National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China. 4 2 University of Chinese Academy of Sciences, Beijing, China. 5 3 Institute of Applied Physics, University of Bern, Bern, Switzerland 6 4 Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland 7