Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.08.2017 beginning time = 1387 min.(UT), 23: 7 UT Xbegin = -6.086 nT time of max = 1435 min.(UT), 23:55 UT Xmax = 7.022 nT Y at Xmax = -1.350 nT endtime = 1501 min.(UT), 25: 1 UT Xend = -6.742 nT amplitude = 13.108 nT base duration time =114 min. 2sigma = 3.553 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0