Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.09.2012 beginning time = 1102 min.(UT), 18:22 UT Xbegin = -6.886 nT time of max = 1159 min.(UT), 19:19 UT Xmax = 11.290 nT Y at Xmax = -6.414 nT endtime = 1198 min.(UT), 19:58 UT Xend = -10.292 nT amplitude = 18.176 nT base duration time = 96 min. 2sigma = 5.043 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0 flagxcheck = 0