Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.09.2018 beginning time = 1154 min.(UT), 19:14 UT Xbegin = -4.840 nT time of max = 1176 min.(UT), 19:36 UT Xmax = 7.768 nT Y at Xmax = 7.334 nT endtime = 1224 min.(UT), 20:24 UT Xend = -3.230 nT amplitude = 12.608 nT base duration time = 70 min. 2sigma = 3.320 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0