Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.10.2015 beginning time = 1088 min.(UT), 18: 8 UT Xbegin = -6.890 nT time of max = 1124 min.(UT), 18:44 UT Xmax = 15.920 nT Y at Xmax = 7.660 nT endtime = 1167 min.(UT), 19:27 UT Xend = -8.966 nT amplitude = 22.810 nT base duration time = 79 min. 2sigma = 6.815 nT duration at 2sigma = 30 min. flagbegin = 0 flagend = 0