1. Postdoctoral Fellow, U.S. Naval Research Laboratory Washington DC USA
2. Department of Physics University of Texas at Arlington Arlington TX USA
3. Climate and Space Sciences University of Michigan Ann Arbor MI USA
4. Space Science and Applications (ISR‐1) Los Alamos National Laboratory Los Alamos NM USA
5. Finnish Meteorological Institute Helsinki Finland
6. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA