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 = 1093 min.(UT), 18:13 UT Xbegin = -1.798 nT time of max = 1114 min.(UT), 18:34 UT Xmax = 4.778 nT Y at Xmax = -2.118 nT endtime = 1151 min.(UT), 19:11 UT Xend = -4.440 nT amplitude = 6.576 nT base duration time = 58 min. 2sigma = 4.637 nT duration at 2sigma = 7 min. flagbegin = 0 flagend = 0 flagxcheck = 0