N. A.  Frissell, Sanchez, D., Perry, G. W., Kaeppler, S. R., Joshi, D. Raj, Engelke, W. D., Thomas, E. G., Coster, A. J., Erickson, P. J., J. Ruohoniemi, M., Baker, J. B. H., and Gerzoff, R., ?HamSCI: Ham Radio Science Citizen Investigation?, ISWAT Meeting. International Space Weather Action Team (ISWAT), Virtual, 2021.