Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.10.2015 beginning time = 1290 min.(UT), 21:30 UT Xbegin = -5.110 nT time of max = 1354 min.(UT), 22:34 UT Xmax = 5.802 nT Y at Xmax = 2.642 nT endtime = 1411 min.(UT), 23:31 UT Xend = -5.924 nT amplitude = 10.912 nT base duration time =121 min. 2sigma = 3.821 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0