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J.  Rizzo and Frissell, N., ?The DASI2 HamSCI Whistler Catcher VLF Reception System?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par O.  Ruzanski, Miller, L., Frissell, N., Sokola, R., and Trench, B., ?Development of a Contesting and DXing Dashboard for the HamSCI Personal Space Weather Station?, HamSCI. HamSCI, Newington, CT, 2026.\par \par A. Takio Kitagawa, Geisler, R. Wegner, Nogueira, K. Thayenne P., and Rocha, E., ?The Influence Of Solar Activity On High-Frequency Communications: A Systemic Risk To Global Communication?, HamSCI. HamSCI, Newington, CT, 2026.\par \par G.  Piccini, Rodland, A., McGwier, R., Spalletta, R., Frissell, N., Mokhtari, M., and Erickson, P., ?A Low-Cost Low-Power Chirp Ionosonde for Studying the Ionospheric Impacts of Space Weather?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par D.  Rea, ?Meteor Scatter Statistics: Theory vs. Practice?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par A.  Pitzl, Sterne, K., Ruohoniemi, M., Baker, J., Kunduri, B., and Frissell, N., ?Phase Coding in Digital SuperDARN Radars to Observe Oblique Scattering?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par G.  Griffiths, Newell, S., Elliott, P., Turner, C., Anderson, B., Hauan, M., and Robinett, R., ?A Python data analysis and synthesis toolbox for PSWS Doppler data:  A time-of flight case study?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par N.  Frissell, Newell, S., Robinett, R., Turner, C., Griffiths, G., and Elliott, P., ?Radio Propagation Time Of Flight Measurements:?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par J. D.  Rizzo, ?Remembering and Honoring Paul Nicholson G8LMD: Passionate VLF Enthusiast and Master?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par L.  Ruzhitskaya, Frissell, N., Hozumi, K., and Mendenhall, J., ?The SoFIE CubeSat Mission: A Global Opportunity for Amateur Radio Operators as Citizen Scientists?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par D.  Reavy, Hoey, B., Coffey, J., Martinez, K., Shahrouzi, N., Frissell, N., and Beattie, Jr, G., ?Starting a Low?Cost SDR Beacon Receiver Project for Studying Extended Tropospheric Propagation on 432/902/1296 MHz?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par L.  Miller, Ruzanski, O., Frissell, N., Trench, B., and Sokola, R., ?What is the ITU-R-HF Model and How Could it Be Used in a HF Contesting Dashboard??, HamSCI Workshop 2026. 2026.\par \par J.  Roberts and Laub, T., ?Why You Should Attend the Youth on the Air Camp?, HamSCI Workshop 2026. HamSCI, Newington, CT, 2026.\par \par O.  Ruzanski, Frissell, N., Sokola, R., and Trench, B., ?Development of a Contesting and DXing Dashboard for the HamSCI Personal Space Weather Station?, HamSCI Workshop. HamSCI, Newark, NJ, 2025.\par \par J.  Gjerloev, Barnes, R., Adebayo, E., Kepko, L., Cline, T., Mosavi-Hoyer, N., Leibert, J., Regoli, L., Freil, M., Oztruk, D., Cohen, A., and Fitzer, J., ?EZIE-Mag:  A low cost, science quality, magnetometer suite enabling global coverage?, HamSCI Workshop 2025. HamSCI, Newark, NJ, 2025.\par \par R.  Potter, Tormann, N., Zakzewski, C., Mokhtari, M., Frissell, N., Martin, K., McLynch, J., Kim, H., Perry, G., McGaw, D., LaBelle, J., Godfrey, T., Hartje, M., Griffiths, G., Robinett, R., and Elliott, P., ?How Do We Put a HamSCI Personal Space Weather Station in Antarctica??, HamSCI Workshop. HamSCI, Newark, NJ, 2025.\par \par N.  Guerra, Fox, J., Pisano, T., Molzen, M., Frissell, N., Jackowitz, P., Baker, J. B. H., and J. Ruohoniemi, M., ?Integration & Validation of a Standardized Library & File Format for PyDARNMUSIC & DARNtids: Migrating From Legacy Pickle Files to HDF5 & Implementing a Comprehensive Testing Suite?, HamSCI Workshop 2025. HamSCI, Newark, NJ, 2025.\par \par M.  Hauan, Elmore, G., Robinett, R., Griffiths, G., Witten, D., Grunow, U., and Turner, C., ?Interim Findings of the HamSCI DASI2 HF Antenna Project?, HamSCI Workshop 2025. HamSCI, Newark, NJ, 2025.\par \par J.  Fox, Guerra, N., Pisano, T., Molzen, M., Frissell, N., Harvey, L., Klobusicky, J., Fenner, M., Baker, J., and Ruohoniemi, M., ?Southern Hemisphere MSTID response to a Sudden Stratospheric Warming Observed by the Falkland Islands SuperDARN Radar?, HamSCI Workshop. HamSCI, Newark, NJ, 2025.\par \par T.  Pisano, Ruzanski, O., Papadopoulos, A., Alvarez, L., Martin, K., Gallagher, W., Zakzewski, C., and Frissell, N., ?University of Scranton W3USR Teaching Amateur Radio at the Lackawanna Blind Association?, HamSCI Workshop. HamSCI, Newark, NJ, 2025.\par \par J.  Rizzo, ?The Whistler Catcher Thin: An Advanced VLF Reception System Based on the Whistler Catcher Pi?, HamSCI Workshop 2025. HamSCI, Newark, NJ, 2025.\par \par K.  Campbell and Roberts, J., ?Why you should attend the Youth on the Air camp?, HamSCI Workshop 2025. HamSCI, Newark, NJ, 2025.\par \par S.  Henley and Rahmer, W., ?CatSat: CubeSat Engineering and Communication Technologies?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par V. I.  Romanek, Frissell, N. A., Kunduri, B., J. Ruohoniemi, M., Baker, J., Liles, W., Gibbons, J., Collins, K., Kazdan, D., and Boedicker, R., ?Comparative Analysis of Medium Scale Travelling Ionospheric Disturbances: Grape PSWS vs. SuperDARN?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par G.  Kavanagh, Reif, R., Pozerski, S., Nordberg, P., and Blackwell, W., ?Considering the Sudden Loss of WWV's signal as seen by HamSCI Grape Stations?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par A.  Rodland, ?Five Years of prop.kc2g.com: Evolution of an HF Forecasting Tool?, HamSCI Workshop 2024. HamSCI, 2024.\par \par R.  Robinett and Elliott, P. M., ?High Resolution WSPR Transmissions for Ionospheric Research?, HamSCI Workshop 2024. 2024.\par \par M.  Bridges, Wofford, A., McDonald, E., Whittington-Speck, X., Rowland, D., Gregory, B., Reichart, D. E., Haislip, J. B., Kouprianov, V. V., White, S., and Ghigo, F., ?Operating GBO's 20m Radio Telescope with Ham Radio Students?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par D.  Sanchez, West, M. Lou, Frissell, N. A., Perry, G. W., Engelke, W. D., Gerzoff, R. B., Erickson, P. J., J. Ruohoniemi, M., Baker, J. B. H., and V. Harvey, L., ?Possible Drivers of Large Scale Traveling Ionospheric Disturbances by Analysis of Aggregated Ham Radio Contacts?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par G.  Griffiths, Diehl, D., R. Rhymes, L., and Wahl, F., ?Ray-trace modelling of diurnal variation in two-hop sidescatter propagation?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par S.  Chakraborty, Collins, K. V., Frissell, N. A., J. Ruohoniemi, M., and Baker, J. B. H., ?Reexamining the Characteristics of Flare-Driven Doppler Flash using multipoint HF Observations?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par N.  McBride-Stubbs, Swanberg, A., and Rowland, D., ?Student Reflections of NRAO's Exploring the Electromagnetic Spectrum - Ham Radio Program?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par J. D.  Rizzo and Frissell, N. A., ?The W2NAF-KC3EEY VLF Observatory: Building Exciting New Developments from a Solid Foundation?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par J.  Roberts and Romero, D., ?Why you should attend the Youth on the Air camp!?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par R.  Robinett and Elliott, P., ?The Wsprdaemon GRAPE reporting network?, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.\par \par V.  Romanek, Frissell, N., Collins, K., Gibbons, J., Kazdan, D., and Liles, W., ?Climatology of Ionospheric Variability with MSTID Periods Observed Using Grape v1 HF Doppler Receivers?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par 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.\par \par P.  Reiff, ?Forging Amateur-Professional Bonds (Keynote Address)?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par M. Shaaf Sarwar, West, M. Lou, Russel, R., and Frissell, N. A., ?Galactic Study of the Milky Way Galaxy Using Cold Hydrogen Data?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par R.  Reif, ?HamSCI: Continuing a Long Tradition of Amateur Radio Citizen Science?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par 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.\par \par Z.  Shah, Griffiths, G., Robinett, R., and Frissell, N., ?How Do I Talk From Scranton to Pakistan Using? High Frequency Amateur Radio???, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par C.  Nguyen, Romanek, V., Lynch, Jr., F., Tholley, J., Troy, R., Dittmar, M., Nelson, J., and Lugo, S., ?Institute of Electrical and Electronics Engineers at the University of Scranton?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par R.  Robinett, ?Low Cost, High Accuracy and Stability FST4W Transmissions Using the QDX Transceiver?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par N. A.  Frissell, Tholley, F., V. Harvey, L., Phillips, S. R., Bossert, K., Derghazarian, S., Goncharenko, L., Collins, R., West, M. Lou, Sanchez, D. F., Perry, G. W., Gerzoff, R. B., Erickson, P. J., Engelke, W. D., Callahan, N., Underbakke, L., Atkison, T., J. Ruohoniemi, M., and Baker, J. B. H., ?Medium Scale Traveling Ionospheric Disturbances and their Connection to the Lower and Middle Atmosphere?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par J.  Rizzo, ?Three-channel VLF Data Acquisition and Signal Processing with a Raspberry Pi, Multi-channel soundcard, and GPS Receiver?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par S.  Chakraborty, J. Ruohoniemi, M., and Baker, J. B. H., ?Viability of Nowcasting Solar Flare-Driven Radio-Blackouts Using SuperDARN HF Radars?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par J.  Rizzo, ?W2NAF-KC3EEY VLF Observatory - A Year of Operation?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par D.  Romero and Rapp, N., ?Youth On The Air (YOTA)?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.\par \par N. A.  Frissell, Brandt, L., Cerwin, S. A., Collins, K. V., Kazdan, D., Gibbons, J., Engelke, W. D., Frissell, R. M., Gerzoff, R. B., Kaeppler, S. R., Ledvina, V., Liles, W., Lombardi, M., MacDonald, E., Di Mare, F., Miller, E. S., Perry, G. W., Rizzo, J. D., Sanchez, D. F., H. Serra, L., H. Silver, W., Themens, D. R., and West, M. Lou, ?Amateur Radio: An Integral Tool for Atmospheric, Ionospheric, and Space Physics Research and Operations?, White Paper Submitted to the National Academy of Sciences Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033, 2022.\par \par J.  Raeder, Bautista, J. - C., and Hirsch, M., ?Autonomous Ground Magnetometer Station Using DRV425 Fluxgates?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par D. S.  Sanchez, Frissell, N. A., Perry, G. W., V. Harvey, L., Engelke, W. D., Coster, A., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Climatology of Large Scale Traveling Ionospheric Disturbances Observed by HamSCI Amateur Radio with Connections to Geospace and Neutral Atmospheric Sources?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par R. O.  Rojas, Rojas, E. L., Aricoch\'e9, J. A., and Milla, M. A., ?Forecasting Spread F at Jicamarca?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par N. A.  Frissell, Brandt, L., Cerwin, S. A., Collins, K. V., Duffy, T. J., Kazdan, D., Gibbons, J., Engelke, W. D., Frissell, R. M., Gerzoff, R. B., Kaeppler, S. R., Ledvina, V., Liles, W., MacDonald, E., Perry, G. W., Rizzo, J. D., Sanchez, D. F., H. Serra, L., H. Silver, W., Skov, T. Mulligan, and West, M. Lou, ?Fostering Collaborations with the Amateur Radio Community?, White Paper Submitted to the National Academy of Sciences Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033, 2022.\par \par 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.\par \par J.  Rizzo and Frissell, N. A., ?Installation and Operation of the KC3EEY/W2NAF VLF Reception System?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par D.  de la Torre and Rojas, E., ?Ionosphere Plasma Density Estimation by Ray Tracing Optimization?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par J.  Aricoch\'e9, Rojas, E., Milla, M., and Rojas, R., ?Modeling ionograms with Deep Neural Networks: Applications to Nowcasting?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par E.  Shume, Spann, J., Woodroffe, J., Friedel, R., Favors, J., Twetten, W., MacDonald, E., Rymer, A., Finn, S., Kozyra, J., and Korreck, K., ?NASA/HPD/Space Weather/Citizen Science Programs Contributions to the HamSCI Workshop?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par S.  M. Sarwar, Frissell, N. A., West, M. Lou, and Russell, R., ?Opportunities for Research and Education with a Small Radio Telescope?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par C.  Higgins, Fung, S., Garcia, L., Thieman, J., Sky, J., Typinski, D., Flagg, R., Brown, J., Reyes, F., Gass, J., Dodd, L., Ashcraft, T., Greenman, W., and Blair, S., ?The Radio JOVE Project 2.0?, in HamSCI Workshop 2022, Huntsville, AL, 2022.\par \par J. G.  Socola and Rodrigues, F. S., ?ScintPi: Scintillation and Total Electron Content (TEC) Monitors for Distributed Observations, Education and Citizen Science Initiatives?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par D.  Kazdan, Gibbons, J., Collins, K., Bauer, M., Bender, E., Marks, R., O'Brien, M., O'Brien, O., Foss, G., Pugliese, M., Ramos, A., and Whitaker, C., ?Three Time-of-Flight Measurement Projects on a Common Hardware Platform?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par S.  Chakraborty, J. Ruohoniemi, M., and Baker, J. B. H., ?Viability of Nowcasting Solar Flare-Driven Radio-Blackouts Using SuperDARN HF Radars?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par J.  Rizzo, ?VLF LEAF Module for the Tangerine SDR HamSCI Workshop 2022 Progress Update?, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.\par \par 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.\par \par F.  Tholley, Frissell, N. A., Baker, J. B. H., J. Ruohoniemi, M., and Bristow, W., ?Antarctic SuperDARN Observations of Medium Scale Traveling Ionospheric Disturbances?, in NSF CEDAR (Coupling, Energetics, and Dynamics of Atmospheric Regions), Virtual, 2021.\par \par 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.\par \par 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.\par \par 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.\par \par 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.\par \par N. A.  Frissell, Cowling, S. H., McDermott, T. C., Ackermann, J., Typinski, D., Engelke, W. D., Larsen, D. R., McGaw, D. G., Kim, H., Witten, II, D. M., Madey, J. M., Collins, K. V., Gibbons, J. C., Kazdan, D., Montare, A., Joshi, D. Raj, Romanek, V. I., Nguyen, C. D., Cerwin, S. A., Liles, W., Rizzo, J. D., Miller, E. S., Vierinen, J., Erickson, P. J., and West, M. Lou, ?HamSCI Personal Space Weather: Architecture and Applications to Radio Astronomy?, in Annual (Summer) Eastern Conference, Virtual, 2021.\par \par N. A.  Frissell, Joshi, D., Romanek, V. I., Collins, K. V., Montare, A., Kazdan, D., Gibbons, J., 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., Erickson, P. J., Miller, E. S., and Vierinen, J., ?HamSCI Personal Space Weather Station (PSWS): Architecture and Current Status?, in NSF CEDAR (Coupling, Energetics, and Dynamics of Atmospheric Regions), Virtual, 2021.\par \par 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.\par \par 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.\par \par 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.\par \par 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.\par \par M.  J. Ruohoniemi, ?INVITED SCIENTIST TUTORIAL: Midlatitude Ionospheric Physics?, HamSCI Workshop 2021. HamSCI, Scranton, PA (Virtual), 2021.\par \par 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.\par \par D. F.  Sanchez, Frissell, N. A., Perry, G. W., Engelke, W. D., Coster, A., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Observing Large Scale Traveling Ionospheric Disturbances using HamSCI Amateur Radio: Climatology with Connections to Geospace and Neutral Atmospheric Sources?, in NSF CEDAR (Coupling, Energetics, and Dynamics of Atmospheric Regions), Virtual, 2021.\par \par D. F.  Sanchez, Frissell, N. A., Perry, G. W., Engelke, W. D., Coster, A., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Observing Traveling Ionospheric Disturbances using HamSCI Amateur Radio: Validation and Climatology?, HamSCI Workshop 2021. HamSCI, Scranton, PA (Virtual), 2021.\par \par A.  Rodland, ?prop.kc2g.com: Developing an Open-Source HF Propagation Prediction Tool?, HamSCI Workshop 2021. HamSCI, Scranton, PA (Virtual), 2021.\par \par N. A.  Frissell, Sanchez, D. F., Perry, G. W., Joshi, D., Engelke, W. D., Thomas, E. G., Coster, A., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Sources of Large Scale Traveling Ionospheric Disturbances Observed using HamSCI Amateur Radio, SuperDARN, and GNSS TEC?, in NSF CEDAR (Coupling, Energetics, and Dynamics of Atmospheric Regions), Virtual, 2021.\par \par N. A.  Frissell, Sanchez, D. F., Perry, G. W., Joshi, D. Raj, Engelke, W. D., Thomas, E. G., Coster, A. J., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Sources of Large Scale Traveling Ionospheric Disturbances Observed using HamSCI Amateur Radio, SuperDARN, and GNSS TEC?, SuperDARN Workshop. SANSA, Virtual, 2021.\par \par N. A.  Frissell, Sanchez, D. F., Perry, G. W., Kaeppler, S. R., Joshi, D. Raj, Engelke, W. D., Thomas, E. G., Coster, A. J., Erickson, P. J., J. Ruohoniemi, M., and Baker, J. B. H., ?Sources of Large Scale Traveling Ionospheric Disturbances Observed using HamSCI Amateur Radio, SuperDARN, and GNSS TEC?, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.\par \par V. I.  Romanek, Frissell, N. 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