Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.12.2018 beginning time = 1184 min.(UT), 19:44 UT Xbegin = -7.158 nT time of max = 1211 min.(UT), 20:11 UT Xmax = 6.088 nT Y at Xmax = -13.990 nT endtime = 1229 min.(UT), 20:29 UT Xend = 1.578 nT amplitude = 13.246 nT base duration time = 45 min. 2sigma = 6.305 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0