Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.04.2013 beginning time = 1047 min.(UT), 17:27 UT Xbegin = -8.212 nT time of max = 1109 min.(UT), 18:29 UT Xmax = 14.642 nT Y at Xmax = 2.972 nT endtime = 1142 min.(UT), 19: 2 UT Xend = -5.384 nT amplitude = 22.854 nT base duration time = 95 min. 2sigma = 5.904 nT duration at 2sigma = 24 min. flagbegin = 0 flagend = 0 flagxcheck = 0