Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 31.05.2016 beginning time = 1113 min.(UT), 18:33 UT Xbegin = -7.996 nT time of max = 1138 min.(UT), 18:58 UT Xmax = 12.654 nT Y at Xmax = 3.464 nT endtime = 1169 min.(UT), 19:29 UT Xend = -3.244 nT amplitude = 20.650 nT base duration time = 56 min. 2sigma = 5.937 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0