Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.03.2008 beginning time = 1170 min.(UT), 19:30 UT Xbegin = -7.808 nT time of max = 1197 min.(UT), 19:57 UT Xmax = 12.230 nT Y at Xmax = -12.020 nT endtime = 1274 min.(UT), 21:14 UT Xend = -10.138 nT amplitude = 20.038 nT base duration time =104 min. 2sigma = 13.725 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 4 flagxcheck = 0