Affiliation: | 1. Department of Physics and Astronomy, The University of Western Ontario, London, N6A 3K7, Canada;2. Centre for Planetary Science and Exploration (CPSX), The University of Western Ontario, London, N6A 3K7, Canada;3. Space Weather Laboratory, GSFC/NASA, 20771, Greenbelt MD;4. Department of Physics, The Catholic University of America, Washington, DC 20064, USA;5. Facultad de Cs. Astronomicas y Geofisicas, UNLP, y CONICET, Estacion Astronomica Rio Grande, Tierra del Fuego, Argentina |