Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.09.2007 beginning time = 1341 min.(UT), 22:21 UT Xbegin = -14.022 nT time of max = 1382 min.(UT), 23: 2 UT Xmax = 25.384 nT Y at Xmax = -2.766 nT endtime = 1427 min.(UT), 23:47 UT Xend = -11.350 nT amplitude = 39.406 nT base duration time = 86 min. 2sigma = 9.797 nT duration at 2sigma = 36 min. flagbegin = 0 flagend = 0 flagxcheck = 0