Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 06.12.2015 beginning time = 1094 min.(UT), 18:14 UT Xbegin = -16.080 nT time of max = 1145 min.(UT), 19: 5 UT Xmax = 18.992 nT Y at Xmax = 10.382 nT endtime = 1207 min.(UT), 20: 7 UT Xend = -12.014 nT amplitude = 35.072 nT base duration time =113 min. 2sigma = 10.661 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 4