Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 31.12.2016 beginning time = 1144 min.(UT), 19: 4 UT Xbegin = -9.568 nT time of max = 1185 min.(UT), 19:45 UT Xmax = 9.668 nT Y at Xmax = -3.626 nT endtime = 1220 min.(UT), 20:20 UT Xend = -12.044 nT amplitude = 19.236 nT base duration time = 76 min. 2sigma = 8.818 nT duration at 2sigma = 12 min. flagbegin = 0 flagend = 0 flagxcheck = 0