Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.11.2012 beginning time = 1158 min.(UT), 19:18 UT Xbegin = -2.922 nT time of max = 1175 min.(UT), 19:35 UT Xmax = 4.826 nT Y at Xmax = 0.548 nT endtime = 1214 min.(UT), 20:14 UT Xend = -2.098 nT amplitude = 7.748 nT base duration time = 56 min. 2sigma = 1.751 nT duration at 2sigma = 24 min. flagbegin = 0 flagend = 0 flagxcheck = 0