Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.09.2018 beginning time = 1292 min.(UT), 21:32 UT Xbegin = -3.810 nT time of max = 1330 min.(UT), 22:10 UT Xmax = 15.318 nT Y at Xmax = -7.084 nT endtime = 1396 min.(UT), 23:16 UT Xend = -12.648 nT amplitude = 19.128 nT base duration time =104 min. 2sigma = 8.320 nT duration at 2sigma = 23 min. flagbegin = 0 flagend = 0 flagxcheck = 0