Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.04.2017 beginning time = 1121 min.(UT), 18:41 UT Xbegin = -12.368 nT time of max = 1150 min.(UT), 19:10 UT Xmax = 13.364 nT Y at Xmax = 0.924 nT endtime = 1184 min.(UT), 19:44 UT Xend = -1.830 nT amplitude = 25.732 nT base duration time = 63 min. 2sigma = 6.644 nT duration at 2sigma = 21 min. flagbegin = 0 flagend = 0 flagxcheck = 0