Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.08.2007 beginning time = 1045 min.(UT), 17:25 UT Xbegin = 0.054 nT time of max = 1073 min.(UT), 17:53 UT Xmax = 14.250 nT Y at Xmax = 2.970 nT endtime = 1101 min.(UT), 18:21 UT Xend = -16.256 nT amplitude = 14.196 nT base duration time = 56 min. 2sigma = 6.979 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0