Affiliation: | 1. RAL Space, STFC, Rutherford Appleton Laboratory, Harwell Oxford, Didcot OX11 0QX, UK;2. Culham Centre for Fusion Energy, Culham Science Centre, Abingdon, Oxfordshire OX14 3DB, UK;3. The Boeing Company, El Segundo, CA 90009-2919, USA;4. GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, 1049-001 Lisboa, Portugal;5. Department of Earth and Planetary Sciences, Birkbeck College, London;6. University of Strathclyde, Glasgow, Scotland, UK |