Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 09.12.2016 beginning time = 1254 min.(UT), 20:54 UT Xbegin = -22.338 nT time of max = 1291 min.(UT), 21:31 UT Xmax = 18.054 nT Y at Xmax = -14.810 nT endtime = 1345 min.(UT), 22:25 UT Xend = -1.558 nT amplitude = 40.392 nT base duration time = 91 min. 2sigma = 13.567 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0 flagxcheck = 0