R. M.  Frissell, Gerrard, A. J., Kim, H., and Frissell, N. A., ?Statistical and Case Studies of Open Closed Boundaries (OCB) using ULF Wave Observations from Antarctic AGOs, McMurdo Station, and South Pole Station?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.

E. S.  Miller, Bust, G. S., Perry, G. W., Kaeppler, S. R., Vierinen, J., Frissell, N. A., Knuth, A. A., Erickson, P. J., Nikoukar, R., Chartier, A. T., Santos, P., Brum, C., Fentzke, J. T., Hanley, T. R., and Gerrard, A. J., ?Sounding the Ionosphere with Signals of Opportunity in the High-Frequency (HF) Band?, in HamSCI Workshop 2019, Cleveland, OH, 2019.

N. A.  Frissell, Katz, J. D., Gerrard, A. J., Moses, M., Earle, G. D., McGwier, R. W., Miller, E. S., Kaeppler, S., and Silver, H. W., ?The Solar Eclipse QSO Party: Ionospheric Sounding Using Ham Radio QSOs?, in Dayton Hamvention, Xenia, OH, 2017.