Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.09.2010 beginning time = 1089 min.(UT), 18: 9 UT Xbegin = -6.648 nT time of max = 1114 min.(UT), 18:34 UT Xmax = 12.454 nT Y at Xmax = 7.742 nT endtime = 1153 min.(UT), 19:13 UT Xend = -5.294 nT amplitude = 19.102 nT base duration time = 64 min. 2sigma = 5.014 nT duration at 2sigma = 34 min. flagbegin = 0 flagend = 0 flagxcheck = 0