Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.09.2019 beginning time = 1286 min.(UT), 21:26 UT Xbegin = -15.916 nT time of max = 1361 min.(UT), 22:41 UT Xmax = 12.234 nT Y at Xmax = -0.396 nT endtime = 1426 min.(UT), 23:46 UT Xend = -8.582 nT amplitude = 28.150 nT base duration time =140 min. 2sigma = 6.097 nT duration at 2sigma = 24 min. flagbegin = 4 flagend = 0 flagxcheck = 0