Publications

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A
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.
C
D. Witten III, Kim, H., Madey, J., Cowling, S., and Frissell, N. A., “Characterizing and Optimizing the behavior of a Ground-based Magnetometer for Ionospheric Space Weather Observations”, in ARRL-TAPR Digital Communications Conference, Virtual, 2020.
S. Fernandes, Perry, G. W., Trigo, T., Frissell, N. A., Gibbons, J., and Collins, K., “Characterizing ionospheric variability through HF Doppler measurements: a statistical and numerical ray tracing analysis”, Frontiers in Astronomy and Space Sciences, vol. 13, 2026.
D. F. Sanchez, Frissell, N. A., Perry, G. W., Engelke, W. D., Coster, A. J., Erickson, P. J., J. Ruohoniemi, M., Baker, J. B. H., Harvey, L., and R. Luetzelschwab, C., “Climatology of Traveling Ionospheric Disturbances Observed by HamSCI Amateur Radio with Connections to Geospace and Neutral Atmospheric Sources”, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
D. F. Sanchez, Frissell, N. A., Perry, G., Harvey, L., Engelke, W. D., Coster, A. J., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., “Climatology of Traveling Ionospheric Disturbances Observed by HamSCI Amateur Radio with Connections to Geospace and Neutral Atmospheric Sources”, in American Geophysical Union Fall Meeting, New Orleans, LA, 2021.
J. R. Hobart, Farmer, J. O., Mikitin, G., Waugh, D., Benedict, R., Cerwin, S. A., Collins, K. V., Kazdan, D., Gibbons, J., Romanek, V. I., and Frissell, N. A., “Construction and Operation of a HamSCI Grape Version 1 Personal Space Weather Station: A Citizen Scientist’s Perspective”, in American Geophysical Union Fall Meeting, New Orleans, LA, 2021.
E
J. Madey, Witten, D., Kim, H., and Frissell, N. A., “An Easily Constructed High Resolution 3 Axis Magnetometer for Backyard Citizen Science”, in American Geophysical Union Fall Meeting, 2021.
S. A. Cerwin, Collins, K. V., Joshi, D. Raj, and Frissell, N. A., “Experimental and Computational Methods to Analyze Complex Doppler Behavior of Ionospherically Induced Doppler Shifts on HF Signals (Proceedings)”, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
S. A. Cerwin, Collins, K. V., Joshi, D. Raj, and Frissell, N. A., “Experimental and Computational Methods to Analyze Complex Doppler Behavior of Ionospherically Induced Doppler Shifts on HF Signals”, in American Geophysical Union Fall Meeting, New Orleans, LA, 2021.
H
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.
S. A. Cerwin, McMahan, J. T., Papadopoulos, A. S., Piccini, G. N., Frissell, N. A., Collins, K. V., Montare, A., Bilberry, P., Blackshear, S., and Themens, D. R., “HamSCI HF multipath propagation mode analysis using amateur radios and audio waveforms sensitive to time difference of arrival”, Frontiers in Astronomy and Space Sciences, vol. 13, 2026.
N. A. Frissell, Joshi, D. Raj, Collins, K., Aidan, M., Kazdan, D., Engelke, W. D., Atkison, T., Kim, H., Cowling, S. H., McDermott, T. C., Ackermann, J., Witten, D., Madey, J., H. Silver, W., Liles, W., Cerwin, S. A., Erickson, P. J., Miller, E. S., and Vierinen, J., “HamSCI Personal Space Weather Station (PSWS): Fall 2021 Update”, TAPR-ARRL Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
N. A. Frissell, “HamSCI: The Ionosphere from Your Backyard”, AMSAT SA Space Symposium. AMSAT-SA, South Africa (Virtual), 2021.
N. A. Frissell, “HamSCI: Today’s Community and Future Directions”, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
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.
V. I. Romanek, Frissell, N. A., Joshi, D. Raj, Liles, W., Trop, C., Collins, K., and Perry, G. W., “HF Doppler Observations of Traveling Ionospheric Disturbances in the WWV Signal Received with a Network of Low-Cost HamSCI Personal Space Weather Stations”, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
V. I. Romanek, Frissell, N. A., Joshi, D. Raj, Liles, W., Trop, C., Collins, K., and Perry, G. W., “HF Doppler Observations of Traveling Ionospheric Disturbances in the WWV Signal Received with a Network of Low-Cost HamSCI Personal Space Weather Stations”, in American Geophysical Union Fall Meeting, New Orleans, LA, 2021.
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”, Space Weather, 2019.
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 Fall AGU, Washington, DC, 2018.
I
N. A. Frissell, “Ionospheric Sounding with Amateur Radio Networks”, NOAA Space Weather Prediction Center Seminar. Boulder, CO (Virtual), 2021.
O
D. Raj Joshi, Frissell, N. A., Liles, W., and Vierinen, J., “Observations of Mid-latitude Irregularities Using the Oblique Ionosonde Sounding Mode for the HamSCI Personal Space Weather Station (Proceedings)”, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
D. Raj Joshi, Frissell, N. A., M. Sarwar, S., Sami, S., J. Ruohoniemi, M., Baker, J. B. H., Coster, A. J., Erickson, P. J., Liles, W., Vierinen, J., and Groves, K., “Observations of Mid-latitude Irregularities Using the Oblique Ionosonde Sounding Mode for the HamSCI Personal Space Weather Station”, in American Geophysical Union Fall Meeting, New Orleans, LA, 2021.
N. A. Frissell, “Opening Remarks - Friday”, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.
P
H. Kim, Madey, J., Witten, D., Larsen, D. R., Cowling, S. H., Frissell, N. A., and Weygand, J., “PSWS Magnetometer Science Update”, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
R
N. A. Frissell, Melville, R., Stillinger, A., and Jeffer, G., “Red Pitaya SDR Recorder for Antarctica (Demonstration)”, in HamSCI Workshop 2019, Cleveland, OH, 2019.