Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.08.2012 beginning time = 1158 min.(UT), 19:18 UT Xbegin = -3.868 nT time of max = 1183 min.(UT), 19:43 UT Xmax = 5.850 nT Y at Xmax = -0.576 nT endtime = 1212 min.(UT), 20:12 UT Xend = -2.158 nT amplitude = 9.718 nT base duration time = 54 min. 2sigma = 3.736 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0