Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.09.2018 beginning time = 1189 min.(UT), 19:49 UT Xbegin = 0.018 nT time of max = 1218 min.(UT), 20:18 UT Xmax = 6.164 nT Y at Xmax = 4.710 nT endtime = 1264 min.(UT), 21: 4 UT Xend = -6.316 nT amplitude = 6.146 nT base duration time = 75 min. 2sigma = 5.557 nT duration at 2sigma = 5 min. flagbegin = 0 flagend = 0 flagxcheck = 0