R. A. Makarevich, G. Crowley, I. Azeem, C. Ngwira, and V. V. Forsythe. Auroral E-Region as a Source Region for Ionospheric Scintillation. Journal of Geophysical Research: Space Physics, volume 126, issue 5, May 2021 . V. V. Forsythe, I. Azeem, G. Crowley, and D. R. Themens. Ionospheric Vertical Correlation Distances: Estimation From ISR Data, Analysis and Implications For Ionospheric Data Assimilation. Radio Science, 2020 . V. V. Forsythe and R. A. Makarevich. Statistical analysis of the electron density gradients in the polar cap F region using the Resolute Bay Incoherent Scatter Radar North. Journal of Geophysical Research: Space Physics, volume 123, 2018 .