Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.09.2008 beginning time = 1295 min.(UT), 21:35 UT Xbegin = -8.114 nT time of max = 1323 min.(UT), 22: 3 UT Xmax = 8.488 nT Y at Xmax = -2.194 nT endtime = 1354 min.(UT), 22:34 UT Xend = -2.750 nT amplitude = 16.602 nT base duration time = 59 min. 2sigma = 5.434 nT duration at 2sigma = 23 min. flagbegin = 0 flagend = 0 flagxcheck = 0