Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.12.2020 beginning time = 1181 min.(UT), 19:41 UT Xbegin = -5.026 nT time of max = 1216 min.(UT), 20:16 UT Xmax = 5.454 nT Y at Xmax = 7.080 nT endtime = 1250 min.(UT), 20:50 UT Xend = -3.360 nT amplitude = 10.480 nT base duration time = 69 min. 2sigma = 6.392 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0