1. Department of Space and Climate Physics, Mullard Space Science Laboratory; University College London; Dorking UK
2. NASA Goddard Space Flight Centre; Greenbelt MD USA
3. Department of Meteorology; University of Reading; Reading UK
4. Space Sciences Department; The Aerospace Corporation; Chantilly VA USA
5. Department of Physics; University of Alberta; Edmonton Alberta Canada
6. British Antarctic Survey (NERC); Cambridge UK
7. Department of Physics; University of Otago; Dunedin New Zealand
8. Institute of Space Science and Physics; Shandong University; Weihai China
9. Space Weather Prediction Center; NOAA; Boulder CO USA