Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.08.2018 beginning time = 1260 min.(UT), 21: 0 UT Xbegin = -6.034 nT time of max = 1290 min.(UT), 21:30 UT Xmax = 8.126 nT Y at Xmax = -1.350 nT endtime = 1307 min.(UT), 21:47 UT Xend = -3.378 nT amplitude = 14.160 nT base duration time = 47 min. 2sigma = 9.815 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0