Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.06.2007 beginning time = 1321 min.(UT), 22: 1 UT Xbegin = -9.642 nT time of max = 1347 min.(UT), 22:27 UT Xmax = 12.516 nT Y at Xmax = 2.496 nT endtime = 1386 min.(UT), 23: 6 UT Xend = -3.684 nT amplitude = 22.158 nT base duration time = 65 min. 2sigma = 6.163 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0