Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.09.2010 beginning time = 1210 min.(UT), 20:10 UT Xbegin = 0.410 nT time of max = 1236 min.(UT), 20:36 UT Xmax = 5.038 nT Y at Xmax = 2.228 nT endtime = 1265 min.(UT), 21: 5 UT Xend = -2.030 nT amplitude = 4.628 nT base duration time = 55 min. 2sigma = 4.345 nT duration at 2sigma = 9 min. flagbegin = 0 flagend = 0 flagxcheck = 0