Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 19.10.2017 beginning time = 1236 min.(UT), 20:36 UT Xbegin = 2.464 nT time of max = 1251 min.(UT), 20:51 UT Xmax = 8.140 nT Y at Xmax = -1.440 nT endtime = 1294 min.(UT), 21:34 UT Xend = -7.646 nT amplitude = 5.676 nT base duration time = 58 min. 2sigma = 6.313 nT duration at 2sigma = 12 min. flagbegin = 0 flagend = 0 flagxcheck = 0