Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.10.2019 beginning time = 1097 min.(UT), 18:17 UT Xbegin = -3.148 nT time of max = 1115 min.(UT), 18:35 UT Xmax = 5.490 nT Y at Xmax = -2.598 nT endtime = 1158 min.(UT), 19:18 UT Xend = -3.082 nT amplitude = 8.638 nT base duration time = 61 min. 2sigma = 4.114 nT duration at 2sigma = 9 min. flagbegin = 0 flagend = 0 flagxcheck = 0