| Affiliation: | (1) Applied Physics Laboratory, The Johns Hopkins University, Laurel, Maryland, USA;(2) British Antarctic Survey, Natural Environment Research Council, Cambridge, England;(3) Department of Physics, Leicester University, Leicester, England;(4) Laboratoire de Physique et Chimie de l'Environnement, Centre National de la Recherche Scientifique, Orléans, France;(5) Centre d'Etude des Environnement Terrestre et Planétaires, Centre National de la Recherche Scientifique, Saint Maur, France;(6) Laboratoire de Sondages Electromagnetiques de l'Environnement Terrestre, Centre National de la Recherche Scientifique, Toulon, France;(7) Geophysical Institute, University of Alaska, Fairbanks, Alaska, USA;(8) Department of Physics, University of Saskatchewan, Saskatoon, Saskatchewan, Canada;(9) Max Planck Institut für Aeronomy, Lindau am Harz, Germany;(10) Finnish Meteorlogical Institute, Helsinki, Finland;(11) University of Natal, Durban, Republic of South Africa;(12) National Institute of Polar Research, Tokyo, Japan |
