Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.08.2021 beginning time = 1352 min.(UT), 22:32 UT Xbegin = 0.928 nT time of max = 1368 min.(UT), 22:48 UT Xmax = 6.676 nT Y at Xmax = -0.680 nT endtime = 1397 min.(UT), 23:17 UT Xend = -6.586 nT amplitude = 5.748 nT base duration time = 45 min. 2sigma = 3.697 nT duration at 2sigma = 15 min. flagbegin = 0 flagend = 0 flagxcheck = 0