Publications

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Conference Proceedings
G. Griffiths and Robinett, R., Visualising propagation to mid-latitudes from a shipboard WSPR transmitter on a passage from 27˚N to 70˚S using the WsprDaemon database, and how to access the data, HamSCI Workshop 2021. HamSCI, Scranton, PA (Virtual), 2021.
K. Hozumi, Frissell, N. A., Chou, M. - Y., Griffiths, G., Engelke, W. D., Yue, J., Fung, S., and Kuznetsova, M., Trial of applying PHaRLAP raytracing to reproduce Ham spot data, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.
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.
G. Griffiths, Identifying 14 MHz Propagation Modes Using FST4W SNR and Spectral Spread, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.
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.
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.
G. Griffiths, Analysis of changes to propagation and refraction height on specific paths induced by the 14 October 2023 eclipse, HamSCI Workshop 2024. HamSCI, Cleveland, OH, 2024.