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, Ackermann, J. R., Alexander, J. N., Benedict, R. L., Blackwell, W. C., Boedicker, R. K., Cerwin, S. A., Collins, K. V., Cowling, S. H., Deacon, C., Diehl, D. M., Di Mare, F., Duffy, T. J., Edson, L. Brandt, Engelke, W. D., Farmer, J. O., Frissell, R. M., Gerzoff, R. B., Gibbons, J., Griffiths, G., Holm, S., Howell, F. M., Kaeppler, S. R., Kavanagh, G., Kazdan, D., Kim, H., Larsen, D. R., Ledvina, V. E., Liles, W., Lo, S., Lombardi, M. A., MacDonald, E. A., Madey, J., McDermott, T. C., McGaw, D. G., McGwier, R. W., Mikitin, G. A., Miller, E. S., Mitchell, C., Montare, A., Nguyen, C. D., Nordberg, P. N., Perry, G. W., Piccini, G. N., Pozerski, S. W., Reif, R. H., Rizzo, J. D., Robinett, R. S., Romanek, V. I., Sami, S., Sanchez, D. F., Sarwar, M. Shaaf, Schwartz, J. A., H. Serra, L., H. Silver, W., Skov, T. Mulligan, Swartz, D. A., Themens, D. R., Tholley, F. H., West, M. Lou, Wilcox, R. C., Witten, D., Witvliet, B. A., and Yadav, N., ?Heliophysics and amateur radio: citizen science collaborations for atmospheric, ionospheric, and space physics research and operations?, Frontiers in Astronomy and Space Sciences, vol. 10, 2023.