Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.02.2012 beginning time = 1171 min.(UT), 19:31 UT Xbegin = -17.504 nT time of max = 1192 min.(UT), 19:52 UT Xmax = 10.360 nT Y at Xmax = 12.724 nT endtime = 1217 min.(UT), 20:17 UT Xend = -2.206 nT amplitude = 27.864 nT base duration time = 46 min. 2sigma = 12.061 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0