Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.10.2007 beginning time = 1140 min.(UT), 19: 0 UT Xbegin = -18.814 nT time of max = 1181 min.(UT), 19:41 UT Xmax = 31.310 nT Y at Xmax = -7.792 nT endtime = 1236 min.(UT), 20:36 UT Xend = -15.962 nT amplitude = 50.124 nT base duration time = 96 min. 2sigma = 13.107 nT duration at 2sigma = 38 min. flagbegin = 0 flagend = 0 flagxcheck = 0