1. Department of Physics and Technology UIT the Arctic University of Norway Tromsø Norway
2. Department of Physics and Astronomy Dartmouth College Hanover NH USA
3. Space Sciences Laboratory University of California Berkeley Berkeley CA USA
4. Southwest Research Institute San Antonio TX USA
5. Department of Physics and Astronomy University of Texas at San Antonio San Antonio TX USA
6. University of Iowa Iowa City IA USA
7. Department of Physics University of Oslo Oslo Norway
8. University Centre in Svalbard Longyearbyen Norway
9. Birkeland Centre for Space Science Department of Physics and Technology University of Bergen Bergen Norway
10. Electronic Navigation Research Institute National Institute of Maritime, Port, and Aviation Technology Tokyo Japan
11. Physics and Astronomy University of Leicester Leicester UK