Global distribution of ULF waves during magnetic storms on March 27, 2017 and April 4, 2017

Naoko Takahashi, National Institute of Information and Communications Technology, Koganei, Japan, Kanako Seki, The University of Tokyo, Research Center for Advanced Science and Technology, Tokyo, Japan, Mariko Teramoto, Nagoya University, Nagoya, Japan, Ayako Matsuoka, Kyoto University, Kyoto, Japan, Nana Higashio, ISAS, JAXA, Sagamihara, Japan and Mei-Ching Hannah Fok, NASA GSFC, Greenbelt, MD, United States