Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.10.2008 beginning time = 1174 min.(UT), 19:34 UT Xbegin = -6.888 nT time of max = 1233 min.(UT), 20:33 UT Xmax = 5.912 nT Y at Xmax = 0.808 nT endtime = 1280 min.(UT), 21:20 UT Xend = -6.956 nT amplitude = 12.800 nT base duration time =106 min. 2sigma = 6.243 nT duration at 2sigma = 0 min. flagbegin = 2 flagend = 0 flagxcheck = 0