SuperDARN and AMPERE observations of Field-Aligned Currents at Substorm Onset
Kathryn A McWilliams1, Gaelene Lerat2, Matthew R Wessel2, George J Sofko1 and Jonathan Rae3, (1)University of Saskatchewan, Saskatoon, SK, Canada, (2)University of Saskatchewan, Saskatoon, Canada, (3)Northumbria University, Department of Mathematics, Physics and Electrical Engineering, Newcastle-Upon-Tyne, United Kingdom