Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.12.2020 beginning time = 1303 min.(UT), 21:43 UT Xbegin = -1.700 nT time of max = 1328 min.(UT), 22: 8 UT Xmax = 6.682 nT Y at Xmax = 4.442 nT endtime = 1356 min.(UT), 22:36 UT Xend = -1.458 nT amplitude = 8.382 nT base duration time = 53 min. 2sigma = 3.567 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0 flagxcheck = 0