Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.12.2016 beginning time = 1305 min.(UT), 21:45 UT Xbegin = -5.668 nT time of max = 1327 min.(UT), 22: 7 UT Xmax = 11.750 nT Y at Xmax = -5.546 nT endtime = 1384 min.(UT), 23: 4 UT Xend = -10.546 nT amplitude = 17.418 nT base duration time = 79 min. 2sigma = 10.495 nT duration at 2sigma = 10 min. flagbegin = 0 flagend = 0 flagxcheck = 0