Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 31.08.2019 beginning time = 1290 min.(UT), 21:30 UT Xbegin = -8.776 nT time of max = 1315 min.(UT), 21:55 UT Xmax = 9.760 nT Y at Xmax = -10.488 nT endtime = 1336 min.(UT), 22:16 UT Xend = -6.198 nT amplitude = 18.536 nT base duration time = 46 min. 2sigma = 16.480 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0