Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.12.2015 beginning time = 1042 min.(UT), 17:22 UT Xbegin = -15.258 nT time of max = 1077 min.(UT), 17:58 UT Xmax = 28.328 nT Y at Xmax = 7.188 nT endtime = 1124 min.(UT), 18:44 UT Xend = -15.952 nT amplitude = 43.586 nT base duration time = 82 min. 2sigma = 11.669 nT duration at 2sigma = 30 min. flagbegin = 0 flagend = 0