Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.08.2010 beginning time = 1321 min.(UT), 22: 1 UT Xbegin = -7.698 nT time of max = 1347 min.(UT), 22:27 UT Xmax = 4.780 nT Y at Xmax = -6.660 nT endtime = 1390 min.(UT), 23:10 UT Xend = -4.640 nT amplitude = 12.478 nT base duration time = 69 min. 2sigma = 5.815 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0