Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.09.2019 beginning time = 1107 min.(UT), 18:27 UT Xbegin = -9.220 nT time of max = 1158 min.(UT), 19:18 UT Xmax = 12.620 nT Y at Xmax = 13.644 nT endtime = 1211 min.(UT), 20:11 UT Xend = -13.774 nT amplitude = 21.840 nT base duration time =104 min. 2sigma = 15.301 nT duration at 2sigma = 0 min. flagbegin = 4 flagend = 0 flagxcheck = 0