Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.03.2019 beginning time = 1365 min.(UT), 22:45 UT Xbegin = -7.528 nT time of max = 1397 min.(UT), 23:17 UT Xmax = 8.870 nT Y at Xmax = 4.762 nT endtime = 1438 min.(UT), 23:58 UT Xend = -2.759 nT amplitude = 16.398 nT base duration time = 73 min. 2sigma = 4.522 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0