Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.05.2008 beginning time = 1192 min.(UT), 19:52 UT Xbegin = -2.656 nT time of max = 1213 min.(UT), 20:13 UT Xmax = 5.556 nT Y at Xmax = -11.000 nT endtime = 1230 min.(UT), 20:30 UT Xend = -3.272 nT amplitude = 8.212 nT base duration time = 38 min. 2sigma = 5.278 nT duration at 2sigma = 5 min. flagbegin = 0 flagend = 0 flagxcheck = 0