Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 31.08.2019 beginning time = 1077 min.(UT), 17:57 UT Xbegin = -12.618 nT time of max = 1096 min.(UT), 18:16 UT Xmax = 13.042 nT Y at Xmax = 7.534 nT endtime = 1113 min.(UT), 18:33 UT Xend = -0.680 nT amplitude = 25.660 nT base duration time = 36 min. 2sigma = 16.480 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0