Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.10.2017 beginning time = 1260 min.(UT), 21: 0 UT Xbegin = -6.220 nT time of max = 1278 min.(UT), 21:18 UT Xmax = 8.474 nT Y at Xmax = -1.508 nT endtime = 1325 min.(UT), 22: 5 UT Xend = -5.178 nT amplitude = 14.694 nT base duration time = 65 min. 2sigma = 7.009 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0 flagxcheck = 0