Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.09.2018 beginning time = 1149 min.(UT), 19: 9 UT Xbegin = -2.786 nT time of max = 1168 min.(UT), 19:28 UT Xmax = 11.180 nT Y at Xmax = 5.080 nT endtime = 1222 min.(UT), 20:22 UT Xend = -13.698 nT amplitude = 13.966 nT base duration time = 73 min. 2sigma = 6.965 nT duration at 2sigma = 21 min. flagbegin = 0 flagend = 4 flagxcheck = 0