Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.12.2014 beginning time = 1340 min.(UT), 22:20 UT Xbegin = -8.118 nT time of max = 1403 min.(UT), 23:23 UT Xmax = 8.890 nT Y at Xmax = -2.292 nT endtime = 1425 min.(UT), 23:45 UT Xend = -0.818 nT amplitude = 17.008 nT base duration time = 85 min. 2sigma = 8.722 nT duration at 2sigma = 2 min. flagbegin = 0 flagend = 0 flagxcheck = 0