Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.09.2018 beginning time = 1355 min.(UT), 22:35 UT Xbegin = -3.890 nT time of max = 1374 min.(UT), 22:54 UT Xmax = 12.222 nT Y at Xmax = -9.010 nT endtime = 1415 min.(UT), 23:35 UT Xend = -4.382 nT amplitude = 16.112 nT base duration time = 60 min. 2sigma = 4.606 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0