N. A.  Frissell, Sanchez, D. F., Perry, G. W., Joshi, D. Raj, Engelke, W. D., Thomas, E. G., Coster, A. J., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Sources of Large Scale Traveling Ionospheric Disturbances Observed using HamSCI Amateur Radio, SuperDARN, and GNSS TEC?, SuperDARN Workshop. SANSA, Virtual, 2021.

N. A.  Frissell, Sanchez, D. F., Perry, G. W., Kaeppler, S. R., Joshi, D. Raj, Engelke, W. D., Thomas, E. G., Coster, A. J., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Sources of Large Scale Traveling Ionospheric Disturbances Observed using HamSCI Amateur Radio, SuperDARN, and GNSS TEC?, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.