Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 24.12.2014 beginning time = 1361 min.(UT), 22:41 UT Xbegin = -5.396 nT time of max = 1387 min.(UT), 23: 7 UT Xmax = 11.876 nT Y at Xmax = 3.566 nT endtime = 1428 min.(UT), 23:48 UT Xend = -3.716 nT amplitude = 17.272 nT base duration time = 67 min. 2sigma = 10.941 nT duration at 2sigma = 8 min. flagbegin = 0 flagend = 0 flagxcheck = 0