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 = 1074 min.(UT), 17:54 UT Xbegin = -29.116 nT time of max = 1120 min.(UT), 18:40 UT Xmax = 62.756 nT Y at Xmax = -14.206 nT endtime = 1151 min.(UT), 19:11 UT Xend = -27.876 nT amplitude = 91.872 nT base duration time = 77 min. 2sigma = 23.021 nT duration at 2sigma = 30 min. flagbegin = 2 flagend = 0 flagxcheck = 0