Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.12.2014 beginning time = 1322 min.(UT), 22: 2 UT Xbegin = -12.668 nT time of max = 1371 min.(UT), 22:51 UT Xmax = 11.126 nT Y at Xmax = 1.906 nT endtime = 1456 min.(UT), 24:16 UT Xend = -9.030 nT amplitude = 23.794 nT base duration time =134 min. 2sigma = 13.186 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0