Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.10.2017 beginning time = 1320 min.(UT), 22: 0 UT Xbegin = -6.928 nT time of max = 1353 min.(UT), 22:33 UT Xmax = 10.736 nT Y at Xmax = -1.748 nT endtime = 1387 min.(UT), 23: 7 UT Xend = -5.848 nT amplitude = 17.664 nT base duration time = 67 min. 2sigma = 4.052 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0