Role of the external drivers in the occurrence of low-latitude ionospheric scintillation revealed by multi-scale analysisLuca Spogli, Mirko Piersanti, Claudio Cesaroni, Massimo Materassi, Antonio Cicone, Lucilla Alfonsi, Vincenzo Romano and Rodolfo Gerardo EzquerJ. Space Weather Space Clim., 9 (2019) A35DOI: https://doi.org/10.1051/swsc/2019032