Use of Terrestrial HF Signals in Riometer Data to Investigate the Size of the Absorbing Region

Filobateer Ghaly1, Emma Spanswick1, Robert G Gillies1, Taylor Cameron2, Susan Skone1, R . a.D. Fiori2, Allan Weatherwax3, Lukas Vollmerhaus1 and Joseph T Kujawski4, (1)University of Calgary, Calgary, AB, Canada, (2)Natural Resources Canada, Ottawa, ON, Canada, (3)Massachusetts Institute of Technology, Cambridge, United States, (4)Brandywine Photonics, West Chester, United States