Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.08.2010 beginning time = 1137 min.(UT), 18:57 UT Xbegin = -4.378 nT time of max = 1161 min.(UT), 19:21 UT Xmax = 5.314 nT Y at Xmax = -0.344 nT endtime = 1202 min.(UT), 20: 2 UT Xend = -2.164 nT amplitude = 9.692 nT base duration time = 65 min. 2sigma = 2.814 nT duration at 2sigma = 22 min. flagbegin = 2 flagend = 0 flagxcheck = 0