Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.05.2018 beginning time = 1324 min.(UT), 22: 4 UT Xbegin = -10.596 nT time of max = 1362 min.(UT), 22:42 UT Xmax = 13.678 nT Y at Xmax = 3.782 nT endtime = 1392 min.(UT), 23:12 UT Xend = -2.384 nT amplitude = 24.274 nT base duration time = 68 min. 2sigma = 8.729 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0 flagxcheck = 0