Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.12.2014 beginning time = 1175 min.(UT), 19:35 UT Xbegin = -12.358 nT time of max = 1239 min.(UT), 20:39 UT Xmax = 16.340 nT Y at Xmax = -3.876 nT endtime = 1312 min.(UT), 21:52 UT Xend = -11.670 nT amplitude = 28.698 nT base duration time =137 min. 2sigma = 13.186 nT duration at 2sigma = 14 min. flagbegin = 4 flagend = 0 flagxcheck = 0