Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 09.10.2018 beginning time = 1249 min.(UT), 20:49 UT Xbegin = -12.880 nT time of max = 1275 min.(UT), 21:15 UT Xmax = 12.450 nT Y at Xmax = -7.760 nT endtime = 1311 min.(UT), 21:51 UT Xend = -3.120 nT amplitude = 25.330 nT base duration time = 62 min. 2sigma = 6.442 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0