Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 24.04.2008 beginning time = 1325 min.(UT), 22: 5 UT Xbegin = -4.018 nT time of max = 1344 min.(UT), 22:24 UT Xmax = 6.672 nT Y at Xmax = -6.682 nT endtime = 1388 min.(UT), 23: 8 UT Xend = -2.634 nT amplitude = 10.690 nT base duration time = 63 min. 2sigma = 8.923 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0