Presentation: Characterizing external influence on the large-scale polar ionospheric current system

Laundal, K. M., C.C. Finlay, N. Olsen, J.P. Reistad, P. Tenfjord, N. Østgaard, A. Ohma, K. Snekvik, S.E. Haaland, and S.E. Milan, Characterizing external influence on the large-scale polar ionospheric current system, IAGA assembly, Cape Town, South Africa, August 2017 (Invited talk)