Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.12.2016 beginning time = 1380 min.(UT), 23: 0 UT Xbegin = -8.556 nT time of max = 1421 min.(UT), 23:41 UT Xmax = 6.938 nT Y at Xmax = -8.102 nT endtime = 1483 min.(UT), 24:43 UT Xend = -2.180 nT amplitude = 15.494 nT base duration time =103 min. 2sigma = 6.474 nT duration at 2sigma = 8 min. flagbegin = 0 flagend = 0 flagxcheck = 0