Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.06.2007 beginning time = 1371 min.(UT), 22:51 UT Xbegin = -6.290 nT time of max = 1396 min.(UT), 23:16 UT Xmax = 6.592 nT Y at Xmax = -1.116 nT endtime = 1446 min.(UT), 24: 6 UT Xend = -7.636 nT amplitude = 12.882 nT base duration time = 75 min. 2sigma = 4.991 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0