Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.08.2012 beginning time = 1350 min.(UT), 22:30 UT Xbegin = -4.922 nT time of max = 1386 min.(UT), 23: 6 UT Xmax = 9.262 nT Y at Xmax = -2.630 nT endtime = 1427 min.(UT), 23:47 UT Xend = -3.628 nT amplitude = 14.184 nT base duration time = 77 min. 2sigma = 3.506 nT duration at 2sigma = 24 min. flagbegin = 0 flagend = 0 flagxcheck = 0