Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.03.2021 beginning time = 1372 min.(UT), 22:52 UT Xbegin = -11.176 nT time of max = 1398 min.(UT), 23:18 UT Xmax = 18.810 nT Y at Xmax = 1.736 nT endtime = 1434 min.(UT), 23:54 UT Xend = -8.532 nT amplitude = 29.986 nT base duration time = 62 min. 2sigma = 8.323 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0