Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.12.2015 beginning time = 1173 min.(UT), 19:33 UT Xbegin = -7.826 nT time of max = 1224 min.(UT), 20:25 UT Xmax = 5.750 nT Y at Xmax = -4.220 nT endtime = 1240 min.(UT), 20:40 UT Xend = -5.264 nT amplitude = 13.576 nT base duration time = 67 min. 2sigma = 9.553 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0