Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.09.2020 beginning time = 1376 min.(UT), 22:56 UT Xbegin = -13.448 nT time of max = 1408 min.(UT), 23:28 UT Xmax = 8.630 nT Y at Xmax = -1.644 nT endtime = 1449 min.(UT), 24: 9 UT Xend = -7.909 nT amplitude = 22.078 nT base duration time = 73 min. 2sigma = 5.477 nT duration at 2sigma = 29 min. flagbegin = 2 flagend = 0 flagxcheck = 0