Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.09.2016 beginning time = 1192 min.(UT), 19:52 UT Xbegin = -30.824 nT time of max = 1239 min.(UT), 20:39 UT Xmax = 25.844 nT Y at Xmax = -8.444 nT endtime = 1290 min.(UT), 21:30 UT Xend = -5.526 nT amplitude = 56.668 nT base duration time = 98 min. 2sigma = 23.021 nT duration at 2sigma = 10 min. flagbegin = 0 flagend = 0 flagxcheck = 0