Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.09.2020 beginning time = 1247 min.(UT), 20:47 UT Xbegin = -13.240 nT time of max = 1285 min.(UT), 21:25 UT Xmax = 14.628 nT Y at Xmax = -1.494 nT endtime = 1335 min.(UT), 22:15 UT Xend = -8.004 nT amplitude = 27.868 nT base duration time = 88 min. 2sigma = 8.317 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0