Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.10.2017 beginning time = 1118 min.(UT), 18:38 UT Xbegin = -16.804 nT time of max = 1141 min.(UT), 19: 1 UT Xmax = 37.886 nT Y at Xmax = -4.832 nT endtime = 1166 min.(UT), 19:26 UT Xend = -11.272 nT amplitude = 54.690 nT base duration time = 48 min. 2sigma = 16.292 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0