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G. Zayed, Frissell, N., and Pandey, K., “High-Frequency Signal Strength Simulation at GRAPE Personal Space Weather Stations Using PHaRLAP Ray Tracing”, HamSCI Workshop 2025. HamSCI, Newark, NJ, 2025.
R. Robinett and Elliott, P. M., “High Resolution WSPR Transmissions for Ionospheric Research”, HamSCI Workshop 2024. 2024.
K. Zawdie, “High Frequency Raytracing for Studying the Ionosphere and Radio Propagation (Invited Tutorial)”, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.
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.
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 HamSCI Workshop 2019, Cleveland, OH, 2019.
J. Ackermann, “HF Spectrum Playback using Gnuradio (Demonstration)”, in HamSCI Workshop 2019, Cleveland, OH, 2019.
S. Cerwin, “HF Propagation Measurement Techniques and Analyses”, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2020.
V. I. Romanek, Frissell, N. A., Joshi, D., Liles, W., Trop, C., Collins, K., and Perry, G., “HF Doppler Observations of Traveling Ionospheric Disturbances in a WWV Signal Received with a Network of Low-Cost HamSCI Personal Space Weather Stations”, in NSF CEDAR (Coupling, Energetics, and Dynamics of Atmospheric Regions), Virtual, 2021.
V. I. Romanek, Frissell, N. A., Joshi, D. Raj, Liles, W., Trop, C. C., Collins, K. V., and Perry, G. W., “HF Doppler Observations of Traveling Ionospheric Disturbances in a WWV Signal Received with a Network of Low-Cost HamSCI Personal Space Weather Stations”, in Annual (Summer) Eastern Conference, 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”, 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.
V. Romanek, Frissell, N. A., Liles, W., Gibbons, J., and Collins, K. V., “HF Doppler Observations of Traveling Ionospheric Disturbances in a WWV Signal Received with a Network of Low Cost HamSCI Personal Space Weather Stations”, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.
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.
S. H. Cowling, “Hardware System Update: Data Engine, RF Module, Clock Module, Magnetometer”, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
J. Gibbons, “Hardware Design of the Grape2 Data Collection Sequencing Engine”, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.
J. D. Katz, Engelke, W., and Frissell, N. A., “The H.A.R.C. Database and Visualization Utilities”, in ARRL and TAPR Digital Communications Conference, St. Louis, MO, 2017.
S. Cowling, “Hands-On-SDR: TangerineSDR”, QEX, pp. 10-15, 2020.
G. Mikitin, “HamSCI Workshop 2023: A Radio Science Collaboration”, QST, vol. 107, 12 vol., no. 10, pp. 59-61, 2023.
N. A. Frissell, “HamSCI: Today’s Community and Future Directions”, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
N. A. Frissell, “HamSCI – The Ionosphere from your Backyard”, in HamCation, Orlando, FL, 2020.
N. A. Frissell, “HamSCI: The Ionosphere from Your Backyard”, AMSAT SA Space Symposium. AMSAT-SA, South Africa (Virtual), 2021.
N. A. Frissell, Ackermann, J. R., Dzekevich, J., Earle, G. D., Erickson, P. J., Gerrard, A. J., Gerzoff, R. B., Gunning, S. W., Hirsch, M., Katz, J. D., Kaeppler, S. R., McGwier, R. W., Miller, E. S., Moses, M. L., Perry, G., Reyer, S. E., Shovkoplyas, A., Silver, H. W., Vega, J. S., and Team, R. B. N., “HamSCI: The Ham Radio Science Citizen Investigation (Banquet Presentation)”, in NSF CEDAR (Coupling, Energetics, and Dynamics of Atmospheric Regions), Keystone, CO, 2017.
N. A. Frissell, Moses, M. L., Earle, G., McGwier, R. W., Miller, E. S., Kaeppler, S. R., H. Silver, W., Ceglia, F., Pascoe, D., Sinanis, N., Smith, P., Williams, R., Shovkoplyas, A., and Gerrard, A. J., “HamSCI: The Ham Radio Science Citizen Investigation”, in Fall 2016 American Geophysical Union, San Francisco, 2016.
N. A. Frissell, Erickson, P. J., Miller, E. S., Liles, W., H. Silver, W., R. Luetzelschwab, C., and Skov, T., “HamSCI: Space Weather Operational Resources and Needs of the Amateur Radio Community”, in American Meteorological Society Annual Meeting, Boston, MA, 2020.