Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.02.2008 beginning time = 1199 min.(UT), 19:59 UT Xbegin = -11.156 nT time of max = 1230 min.(UT), 20:30 UT Xmax = 8.306 nT Y at Xmax = -0.512 nT endtime = 1291 min.(UT), 21:31 UT Xend = -7.810 nT amplitude = 19.462 nT base duration time = 92 min. 2sigma = 7.151 nT duration at 2sigma = 16 min. flagbegin = 0 flagend = 4 flagxcheck = 0