Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.12.2014 beginning time = 1240 min.(UT), 20:40 UT Xbegin = -5.678 nT time of max = 1266 min.(UT), 21: 6 UT Xmax = 12.332 nT Y at Xmax = 13.140 nT endtime = 1306 min.(UT), 21:46 UT Xend = -13.994 nT amplitude = 18.010 nT base duration time = 66 min. 2sigma = 7.391 nT duration at 2sigma = 24 min. flagbegin = 0 flagend = 0 flagxcheck = 0