Koh, K., Fullekrug, M., 2018. Dataset for Radio Science "Lower ionosphere effects on narrowband VLF transmission propagation: fast variabilities and frequency dependence". Bath: University of Bath Research Data Archive. Available from: https://doi.org/10.15125/BATH-00464.
Koh, K., Liu, Z., 2019. Ionospheric signals from sub-ionospheric radio transmissions on 2016 August 27. Bath: University of Bath Research Data Archive. Available from: https://doi.org/10.15125/BATH-00515.