Time series of (a) amplitude (S4) and (b) phase (sigma_phi) scintillation measurements for every GNSS satellite in view with elevation above 20° as recorded by the Septentrio PolaRx5S scintillation receiver at Lampedusa (35.52°N, 12.63°E; 26.5° magnetic latitude) in southern Europe during 22–24 April 2023. Data plotted for three GNSS systems: GPS, GLONASS and Galileo (color-coded).