Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.10.2007 beginning time = 1306 min.(UT), 21:46 UT Xbegin = -8.710 nT time of max = 1342 min.(UT), 22:22 UT Xmax = 5.562 nT Y at Xmax = -0.806 nT endtime = 1360 min.(UT), 22:40 UT Xend = -2.034 nT amplitude = 14.272 nT base duration time = 54 min. 2sigma = 8.086 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0