Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.04.2015 beginning time = 1399 min.(UT), 23:19 UT Xbegin = -5.640 nT time of max = 1425 min.(UT), 23:45 UT Xmax = 8.610 nT Y at Xmax = 0.122 nT endtime = 1454 min.(UT), 24:14 UT Xend = -4.436 nT amplitude = 14.250 nT base duration time = 55 min. 2sigma = 6.152 nT duration at 2sigma = 12 min. flagbegin = 0 flagend = 0