Affiliation: | (1) Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78228, USA;(2) University of Bern, Physikalisches Institut, Sidlerstrasse 5, CH-3012 Bern, Switzerland;(3) Space Physics Research Laboratory, University of Michigan, 2455 Hayward Street, Ann Arbor, MI 48105, USA;(4) Finnish Meteorological Institute, Box 503, FIN-00101 Helsinki, Finland;(5) Swedish Institute of Space Physics, Box 812, S-98 128 Kiruna, Sweden;(6) Mullard Space Science Laboratory, University College London, London, RH5 6NT, UK;(7) Space Technology Ireland, National University of Ireland, Maynooth, Co. Kildare, Ireland |