Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.09.2016 beginning time = 1177 min.(UT), 19:37 UT Xbegin = -16.892 nT time of max = 1238 min.(UT), 20:38 UT Xmax = 15.464 nT Y at Xmax = 0.692 nT endtime = 1271 min.(UT), 21:11 UT Xend = -11.638 nT amplitude = 32.356 nT base duration time = 94 min. 2sigma = 9.021 nT duration at 2sigma = 26 min. flagbegin = 4 flagend = 0 flagxcheck = 0