Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.06.2021 beginning time = 1370 min.(UT), 22:50 UT Xbegin = 1.848 nT time of max = 1406 min.(UT), 23:26 UT Xmax = 5.574 nT Y at Xmax = 0.054 nT endtime = 1446 min.(UT), 24: 6 UT Xend = -3.977 nT amplitude = 3.726 nT base duration time = 76 min. 2sigma = 4.883 nT duration at 2sigma = 8 min. flagbegin = 0 flagend = 2 flagxcheck = 0