The code and data should be unzipped to the same directory. Data in MS Excel format include amateur radio reception data from WSPRNet, ionosonde data from seven sites (Chilton, Roquetes, Dourbes, Rome, Juliusruh, Pruhonice, Sopron), and Es in the 28 MHz, 50 MHz and 70 MHz bands. Spot list data for these three bands and data on the highest frequency vertically reflected are provided as MATLAB MAT-files. Output plots are provided as TIFF images and MP4 videos.