1. The Johns Hopkins University Applied Physics Laboratory MD Laurel USA
2. George Mason University VA Fairfax USA
3. Saint‐Petersburg State University Saint‐Petersburg Russia
4. University of New Hampshire NH Durham USA
5. Los Alamos National Laboratory NM Los Alamos USA
6. Space Science and Engineering Southwest Research Institute NH Durham USA
7. Department of Climate and Space Sciences and Engineering University of Michigan MI Ann Arbor USA