Manually scaled ionograms data for Ilorin, Nigeria are here. Vertical drift velocity were obtained using the method by Anderson et al., 2004. The format of ESFVzData.txt is [1] DOY [2] [3] LT of [4] F10.7 [5] Occurrence Status [6] TOC. The python code for the NN model is in ESFModelSinglePred.py.