Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.09.2020 beginning time = 1281 min.(UT), 21:21 UT Xbegin = 2.124 nT time of max = 1290 min.(UT), 21:30 UT Xmax = 5.418 nT Y at Xmax = 2.334 nT endtime = 1314 min.(UT), 21:54 UT Xend = -1.926 nT amplitude = 3.294 nT base duration time = 33 min. 2sigma = 2.328 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0