Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.12.2019 beginning time = 1251 min.(UT), 20:51 UT Xbegin = -1.760 nT time of max = 1276 min.(UT), 21:16 UT Xmax = 6.104 nT Y at Xmax = 1.656 nT endtime = 1311 min.(UT), 21:51 UT Xend = -3.606 nT amplitude = 7.864 nT base duration time = 60 min. 2sigma = 2.829 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0 flagxcheck = 0