Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.10.2017 beginning time = 1188 min.(UT), 19:48 UT Xbegin = -5.492 nT time of max = 1202 min.(UT), 20: 2 UT Xmax = 7.616 nT Y at Xmax = 2.668 nT endtime = 1230 min.(UT), 20:30 UT Xend = -8.298 nT amplitude = 13.108 nT base duration time = 42 min. 2sigma = 3.948 nT duration at 2sigma = 15 min. flagbegin = 0 flagend = 0 flagxcheck = 0