Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.12.2017 beginning time = 1118 min.(UT), 18:38 UT Xbegin = -9.086 nT time of max = 1154 min.(UT), 19:14 UT Xmax = 15.686 nT Y at Xmax = 3.192 nT endtime = 1178 min.(UT), 19:38 UT Xend = -4.008 nT amplitude = 24.772 nT base duration time = 60 min. 2sigma = 5.719 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0