1. CAS Key Laboratory of Geospace Environment, School of Earth and Space SciencesUniversity of Science and Technology of China Hefei China
2. National Key Laboratory of Electromagnetic EnvironmentChina Research Institute of Radio Wave Propagation Qingdao China
3. CAS Center for Excellence in Comparative PlanetologyUniversity of Science and Technology of China Hefei China
4. Mengcheng National Geophysical ObservatoryUniversity of Science and Technology of China Hefei China
5. Department of PhysicsUniversity of Lagos Lagos Nigeria
6. Department of PhysicsUniversity of Tasmania Hobart Tasmania Australia
7. Department of PhysicsFederal University of Technology Akure Akure Nigeria
8. Key Laboratory of Earth and Planetary Physics, Institute of Geology and GeophysicsChinese Academy of Sciences Beijing China