Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.12.2016 beginning time = 1087 min.(UT), 18: 7 UT Xbegin = -19.662 nT time of max = 1105 min.(UT), 18:25 UT Xmax = 21.026 nT Y at Xmax = 0.274 nT endtime = 1125 min.(UT), 18:45 UT Xend = 7.590 nT amplitude = 40.688 nT base duration time = 38 min. 2sigma = 10.147 nT duration at 2sigma = 16 min. flagbegin = 0 flagend = 0 flagxcheck = 0