Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.03.2017 beginning time = 1351 min.(UT), 22:31 UT Xbegin = -14.612 nT time of max = 1398 min.(UT), 23:18 UT Xmax = 8.222 nT Y at Xmax = -2.982 nT endtime = 1445 min.(UT), 24: 5 UT Xend = 0.022 nT amplitude = 22.834 nT base duration time = 94 min. 2sigma = 12.763 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0