H.  Kim, Witten, D., Madey, J., Frissell, N., Gibbons, J., Engelke, W., Liddle, A., Muscolino, N., Visone, J., and Cao, Z., ?Citizen science: Development of a low-cost magnetometer system for a coordinated space weather monitoring?, HardwareX, vol. 20, p. e00580, 2024.

K.  Collins, Gibbons, J., Frissell, N., Montare, A., Kazdan, D., Kalmbach, D., Swartz, D., Benedict, R., Romanek, V., Boedicker, R., Liles, W., Engelke, W., McGaw, D. G., Farmer, J., Mikitin, G., Hobart, J., Kavanagh, G., and Chakraborty, S., ?Crowdsourced Doppler measurements of time standard stations demonstrating ionospheric variability?, Earth System Science Data, vol. 15, no. 3, pp. 1403 - 1418, 2023.

N. A.  Frissell, Sanchez, D. F., Perry, G. W., Kaeppler, S. R., Joshi, D. Raj, Engelke, W., Thomas, E. G., Coster, A. J., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Amateur Radio Communications as a Novel Sensor of Large Scale Traveling Ionospheric Disturbances (Invited)?, in American Geophysical Union Fall Meeting, New Orleans, LA, 2021.