1. Key Laboratory for Information Science of Electromagnetic Waves (MoE) Fudan University Shanghai China
2. School of Information Science and Technology Fudan University Shanghai China
3. UiT The Arctic University of Norway Tromsø Norway
4. EISCAT Scientific Association Kiruna Sweden
5. EISCAT Scientific Association Tromsø Norway
6. DLR Institute for Solar‐Terrestrial Physics Neustrelitz Germany
7. China Research Institute of Radiowave Propagation Qingdao China
8. Bradley Department of Electrical and Computer Engineering Virginia Polytechnic Institute and State University Blacksburg VA USA