N. A.  Frissell, Vega, J. S., Markowitz, E., Gerrard, A. J., Engelke, W. D., Erickson, P. J., Miller, E. S., R. Luetzelschwab, C., and Bortnik, J., ?High Frequency Communications Response to Solar Activity in September 2017 as Observed by Amateur Radio Networks?, in HamSCI Workshop 2019, Cleveland, OH, 2019.

N. A.  Frissell, Sanchez, D. F., Markowitz, E., Perry, G. W., Engelke, W. D., Coster, A., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Large Scale Traveling Ionospheric Disturbances Observed using HamSCI Amateur Radio, SuperDARN, and GNSS TEC?, in American Geophysical Union Fall Meeting, San Francisco, CA, 2019.

N. A.  Frissell, Markowitz, E., Sanchez, D., and Engelke, W. D., ?Web-Based Scientific Visualizations of RBN/WSPR Data (Demonstration)?, in HamSCI Workshop 2019, Cleveland, OH, 2019.