Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.08.2018 beginning time = 1325 min.(UT), 22: 5 UT Xbegin = -13.926 nT time of max = 1354 min.(UT), 22:34 UT Xmax = 22.544 nT Y at Xmax = 3.134 nT endtime = 1398 min.(UT), 23:18 UT Xend = -9.052 nT amplitude = 36.470 nT base duration time = 73 min. 2sigma = 9.147 nT duration at 2sigma = 33 min. flagbegin = 0 flagend = 0 flagxcheck = 0