G. de O. N. Brassarote, E. M. de Souza, and J. F. G. Monico, “Multiscale Analysis of GPS Time Series from Non-decimated Wavelet to Investigate the Effects of Ionospheric Scintillation”, Trends Comput. Appl. Math., vol. 16, no. 2, p. 119, Sep. 2015.