Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.12.2021 beginning time = 1391 min.(UT), 23:11 UT Xbegin = -4.368 nT time of max = 1416 min.(UT), 23:36 UT Xmax = 8.700 nT Y at Xmax = 1.292 nT endtime = 1453 min.(UT), 24:13 UT Xend = -2.672 nT amplitude = 13.068 nT base duration time = 62 min. 2sigma = 4.637 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0 flagxcheck = 0