Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.08.2015 beginning time = 1096 min.(UT), 18:16 UT Xbegin = -10.936 nT time of max = 1149 min.(UT), 19: 8 UT Xmax = 15.858 nT Y at Xmax = -4.556 nT endtime = 1185 min.(UT), 19:45 UT Xend = -11.106 nT amplitude = 26.794 nT base duration time = 89 min. 2sigma = 11.730 nT duration at 2sigma = 18 min. flagbegin = 4 flagend = 0