Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 29.12.2014 beginning time = 1347 min.(UT), 22:27 UT Xbegin = 0.576 nT time of max = 1370 min.(UT), 22:50 UT Xmax = 5.726 nT Y at Xmax = 15.564 nT endtime = 1387 min.(UT), 23: 7 UT Xend = -2.364 nT amplitude = 5.150 nT base duration time = 40 min. 2sigma = 15.545 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0