Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.12.2022 beginning time = 1331 min.(UT), 22:11 UT Xbegin = -0.006 nT time of max = 1348 min.(UT), 22:28 UT Xmax = 6.898 nT Y at Xmax = 0.698 nT endtime = 1362 min.(UT), 22:42 UT Xend = -0.542 nT amplitude = 6.904 nT base duration time = 31 min. 2sigma = 3.194 nT duration at 2sigma = 14 min. flagbegin = 0 flagend = 0 flagxcheck = 0