Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 19.12.2019 beginning time = 1147 min.(UT), 19: 7 UT Xbegin = -1.864 nT time of max = 1175 min.(UT), 19:35 UT Xmax = 6.038 nT Y at Xmax = 0.032 nT endtime = 1208 min.(UT), 20: 8 UT Xend = -1.268 nT amplitude = 7.902 nT base duration time = 61 min. 2sigma = 5.378 nT duration at 2sigma = 6 min. flagbegin = 0 flagend = 0 flagxcheck = 0