Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.08.2012 beginning time = 1350 min.(UT), 22:30 UT Xbegin = -4.392 nT time of max = 1378 min.(UT), 22:58 UT Xmax = 6.030 nT Y at Xmax = -4.162 nT endtime = 1411 min.(UT), 23:31 UT Xend = -1.230 nT amplitude = 10.422 nT base duration time = 61 min. 2sigma = 5.315 nT duration at 2sigma = 9 min. flagbegin = 0 flagend = 0 flagxcheck = 0