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 = 1386 min.(UT), 23: 6 UT Xbegin = -4.716 nT time of max = 1412 min.(UT), 23:32 UT Xmax = 8.022 nT Y at Xmax = -15.312 nT endtime = 1466 min.(UT), 24:26 UT Xend = -2.408 nT amplitude = 12.738 nT base duration time = 80 min. 2sigma = 10.404 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0