Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.03.2015 beginning time = 1328 min.(UT), 22: 8 UT Xbegin = -5.416 nT time of max = 1355 min.(UT), 22:34 UT Xmax = 5.718 nT Y at Xmax = 2.142 nT endtime = 1416 min.(UT), 23:36 UT Xend = -2.858 nT amplitude = 11.134 nT base duration time = 88 min. 2sigma = 2.638 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0