Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.12.2014 beginning time = 1393 min.(UT), 23:13 UT Xbegin = -1.200 nT time of max = 1411 min.(UT), 23:31 UT Xmax = 6.162 nT Y at Xmax = -0.076 nT endtime = 1453 min.(UT), 24:13 UT Xend = -3.050 nT amplitude = 7.362 nT base duration time = 60 min. 2sigma = 5.941 nT duration at 2sigma = 3 min. flagbegin = 0 flagend = 0 flagxcheck = 0