Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.10.2017 beginning time = 1190 min.(UT), 19:50 UT Xbegin = -0.522 nT time of max = 1213 min.(UT), 20:13 UT Xmax = 10.298 nT Y at Xmax = 6.566 nT endtime = 1260 min.(UT), 21: 0 UT Xend = -8.482 nT amplitude = 10.820 nT base duration time = 70 min. 2sigma = 11.870 nT duration at 2sigma = 0 min. flagbegin = 2 flagend = 0 flagxcheck = 0