Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.12.2016 beginning time = 1198 min.(UT), 19:58 UT Xbegin = -11.798 nT time of max = 1230 min.(UT), 20:30 UT Xmax = 12.874 nT Y at Xmax = 9.254 nT endtime = 1255 min.(UT), 20:55 UT Xend = -9.324 nT amplitude = 24.672 nT base duration time = 57 min. 2sigma = 10.147 nT duration at 2sigma = 8 min. flagbegin = 0 flagend = 0 flagxcheck = 0