Publications

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Conference Proceedings
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.
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, AMSAT SA Space Symposium. AMSAT-SA, South Africa (Virtual), 2021.
N. A. Frissell, HamSCI PSWS Overview and Status, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2020.
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, 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.
C. - P. Yeang, Ham Radio and the Discovery of the Ionosphere (Keynote), HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.
M. Cooper and Gerrard, A., Geomagnetic Indices and The Ring Current, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.
R. Westphal, "Geocaching" in the Ionosphere, HamSCI Workshop 2021. HamSCI, Scranton, PA (Virtual), 2021.
Saurabh and Nampalliwar, S., Gallifray: A VLBI Geometric Modelling and Parameter Estimation Framework for Black hole images using Bayesian Techniques, HamSCI Workshop 2021. HamSCI, Scranton, PA (Virtual), 2021.
D. Kazdan, Frequency Estimation Techniques, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2020.
R. O. Rojas, Rojas, E. L., Aricoché, J. A., and Milla, M. A., Forecasting Spread F at Jicamarca, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.
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.
J. Ackermann, Evaluation of uBlox GPS Receivers Performance, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2020.
J. Bacon, Evaluation of Links Between Terrestrial Weather and Sporadic-E (Invited Tutorial), HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.
S. Cerwin, Collins, K. V., Joshi, D., and Frissell, N. A., Estimation of Ionospheric Layer Height Changes From Doppler Frequency and Time of Flight Measurements on HF Skywave Signals, HamSCI Workshop 2021. HamSCI, Scranton, PA (Virtual), 2021.
B. O'Donnell and Perry, G., e-POP RRI observations of the April 24, 2020 ARRL Frequency Measuring Test, HamSCI Workshop 2021. HamSCI, Scranton, PA (Virtual), 2021.
J. Madey, An Easily Constructed High Resolution 3 Axis Magnetometer for Backyard Citizen Science, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.
K. V. Colllins, Early Results of Festival of Frequency Measurement Experiment and June 21, 2020 Asian Eclipse, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2020.
W. D. Engelke, Frissell, N. A., Atkison, T., Erickson, P. J., and Tholley, F., Detecting Large Scale Traveling Ionospheric Disturbances using Feature Recognition and Amateur Radio Data, HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.
K. Collins, Casente, D., Elia, J., Mereckis, M., and Meshnick, D., December 2020 Eclipse Festival Analysis, HamSCI Workshop 2021. HamSCI, Scranton, PA (Virtual), 2021.
D. Kazdan and Collins, K. V., Data Collection from WWV, WWVH, and WWVB: A Histoanatomy of NIST's Radio Beacon Transmissions, HamSCI Workshop 2021. 2021.
G. Griffiths and Elmore, G., Contrasting effects of the 3-5 November 2021 geomagnetic storm on reception in Colorado of WSPR transmissions from North-Eastern North America with those from Australia , HamSCI Workshop 2022. HamSCI, Huntsville, AL, 2022.
R. Benedict and Waugh, D. A., Construction and operation of a HamSCI Grape version 1 Personal Space Weather Station: A citizen scientist’s perspective, ARRL-TAPR Digital Communications Conference. ARRL-TAPR, Virtual, 2021.