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 = 1259 min.(UT), 20:59 UT Xbegin = -6.968 nT time of max = 1287 min.(UT), 21:27 UT Xmax = 9.068 nT Y at Xmax = -1.230 nT endtime = 1325 min.(UT), 22: 5 UT Xend = -6.254 nT amplitude = 16.036 nT base duration time = 66 min. 2sigma = 5.315 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0 flagxcheck = 0