Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.05.2020 beginning time = 1243 min.(UT), 20:43 UT Xbegin = -16.926 nT time of max = 1274 min.(UT), 21:14 UT Xmax = 15.906 nT Y at Xmax = 2.960 nT endtime = 1335 min.(UT), 22:15 UT Xend = -7.836 nT amplitude = 32.832 nT base duration time = 92 min. 2sigma = 8.918 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 4 flagxcheck = 0