Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.05.2022 beginning time = 1365 min.(UT), 22:45 UT Xbegin = -6.106 nT time of max = 1396 min.(UT), 23:16 UT Xmax = 7.874 nT Y at Xmax = 0.494 nT endtime = 1453 min.(UT), 24:13 UT Xend = -3.722 nT amplitude = 13.980 nT base duration time = 88 min. 2sigma = 3.792 nT duration at 2sigma = 33 min. flagbegin = 0 flagend = 0 flagxcheck = 0