Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.09.2018 beginning time = 1065 min.(UT), 17:45 UT Xbegin = -6.726 nT time of max = 1121 min.(UT), 18:41 UT Xmax = 13.458 nT Y at Xmax = 8.264 nT endtime = 1169 min.(UT), 19:29 UT Xend = -9.534 nT amplitude = 20.184 nT base duration time =104 min. 2sigma = 10.300 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0