Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.03.2012 beginning time = 1216 min.(UT), 20:16 UT Xbegin = -10.548 nT time of max = 1241 min.(UT), 20:41 UT Xmax = 7.732 nT Y at Xmax = 0.256 nT endtime = 1276 min.(UT), 21:16 UT Xend = -3.236 nT amplitude = 18.280 nT base duration time = 60 min. 2sigma = 9.358 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0