Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.10.2017 beginning time = 1117 min.(UT), 18:37 UT Xbegin = -9.828 nT time of max = 1158 min.(UT), 19:18 UT Xmax = 10.626 nT Y at Xmax = 0.448 nT endtime = 1201 min.(UT), 20: 1 UT Xend = -5.198 nT amplitude = 20.454 nT base duration time = 84 min. 2sigma = 8.461 nT duration at 2sigma = 13 min. flagbegin = 0 flagend = 2 flagxcheck = 0