Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.10.2017 beginning time = 1187 min.(UT), 19:47 UT Xbegin = -15.134 nT time of max = 1206 min.(UT), 20: 6 UT Xmax = 5.900 nT Y at Xmax = 5.948 nT endtime = 1219 min.(UT), 20:19 UT Xend = -9.272 nT amplitude = 21.034 nT base duration time = 32 min. 2sigma = 16.292 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0