Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.02.2020 beginning time = 1334 min.(UT), 22:14 UT Xbegin = -5.542 nT time of max = 1360 min.(UT), 22:40 UT Xmax = 7.278 nT Y at Xmax = -0.218 nT endtime = 1400 min.(UT), 23:20 UT Xend = -3.290 nT amplitude = 12.820 nT base duration time = 66 min. 2sigma = 3.410 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0