Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.09.2014 beginning time = 1162 min.(UT), 19:22 UT Xbegin = -2.590 nT time of max = 1181 min.(UT), 19:41 UT Xmax = 5.892 nT Y at Xmax = 10.800 nT endtime = 1230 min.(UT), 20:30 UT Xend = -2.052 nT amplitude = 8.482 nT base duration time = 68 min. 2sigma = 3.392 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0