Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.12.2015 beginning time = 1288 min.(UT), 21:28 UT Xbegin = -30.112 nT time of max = 1325 min.(UT), 22: 6 UT Xmax = 31.480 nT Y at Xmax = 18.718 nT endtime = 1372 min.(UT), 22:52 UT Xend = -13.190 nT amplitude = 61.592 nT base duration time = 84 min. 2sigma = 12.705 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0