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 = 1290 min.(UT), 21:30 UT Xbegin = -0.340 nT time of max = 1302 min.(UT), 21:42 UT Xmax = 6.284 nT Y at Xmax = -9.066 nT endtime = 1335 min.(UT), 22:15 UT Xend = -11.956 nT amplitude = 6.624 nT base duration time = 45 min. 2sigma = 18.136 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0