Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.03.2012 beginning time = 1335 min.(UT), 22:15 UT Xbegin = -11.956 nT time of max = 1375 min.(UT), 22:55 UT Xmax = 7.086 nT Y at Xmax = -1.658 nT endtime = 1386 min.(UT), 23: 6 UT Xend = -2.660 nT amplitude = 19.042 nT base duration time = 51 min. 2sigma = 18.136 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0