Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.09.2019 beginning time = 1153 min.(UT), 19:13 UT Xbegin = -14.170 nT time of max = 1177 min.(UT), 19:37 UT Xmax = 14.774 nT Y at Xmax = 2.630 nT endtime = 1223 min.(UT), 20:23 UT Xend = -10.350 nT amplitude = 28.944 nT base duration time = 70 min. 2sigma = 10.404 nT duration at 2sigma = 16 min. flagbegin = 0 flagend = 0 flagxcheck = 0