Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 29.10.2008 beginning time = 1189 min.(UT), 19:49 UT Xbegin = -1.090 nT time of max = 1223 min.(UT), 20:23 UT Xmax = 7.638 nT Y at Xmax = -1.614 nT endtime = 1278 min.(UT), 21:18 UT Xend = -14.794 nT amplitude = 8.728 nT base duration time = 89 min. 2sigma = 8.528 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 4 flagxcheck = 0