First identification of the high-latitude ionization trough from a satellite (SWARM) observation
Su-In Kim1,2, Young-Sil Kwak3,4, Hyosub Kil5, Jaeheung Park1,3, Khan-Hyuk Kim2, Hyuck-Jin Kwon6 and Jaejin Lee1,3, (1)KASI Korea Astronomy and Space Science Institute, Daejeon, South Korea, (2)Kyung Hee University, School of Space Research, Yongin, South Korea, (3)University of Science and Technology, Daejeon, South Korea, (4)KASI Korea Astronomy and Space Science Institute, Daejeon, Korea, Republic of (South), (5)The Johns Hopkins University Applied Physics Laboratory, Laurel, United States, (6)Korea Polar Research Institute, Division of Ocean and Atmosphere Sciences, Incheon, South Korea