Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.08.2013 beginning time = 1202 min.(UT), 20: 2 UT Xbegin = -3.936 nT time of max = 1226 min.(UT), 20:26 UT Xmax = 9.474 nT Y at Xmax = -1.340 nT endtime = 1236 min.(UT), 20:36 UT Xend = 2.764 nT amplitude = 13.410 nT base duration time = 34 min. 2sigma = 7.689 nT duration at 2sigma = 8 min. flagbegin = 0 flagend = 0 flagxcheck = 0