Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 02.04.2007 beginning time = 1130 min.(UT), 18:50 UT Xbegin = -9.968 nT time of max = 1167 min.(UT), 19:27 UT Xmax = 9.642 nT Y at Xmax = 6.548 nT endtime = 1188 min.(UT), 19:48 UT Xend = 0.596 nT amplitude = 19.610 nT base duration time = 58 min. 2sigma = 7.868 nT duration at 2sigma = 9 min. flagbegin = 0 flagend = 0 flagxcheck = 0