Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.02.2010 beginning time = 1101 min.(UT), 18:21 UT Xbegin = -5.248 nT time of max = 1132 min.(UT), 18:52 UT Xmax = 9.776 nT Y at Xmax = 3.394 nT endtime = 1162 min.(UT), 19:22 UT Xend = -4.208 nT amplitude = 15.024 nT base duration time = 61 min. 2sigma = 4.966 nT duration at 2sigma = 21 min. flagbegin = 0 flagend = 0 flagxcheck = 0