Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.12.2018 beginning time = 1139 min.(UT), 18:59 UT Xbegin = -8.604 nT time of max = 1171 min.(UT), 19:31 UT Xmax = 6.708 nT Y at Xmax = 0.288 nT endtime = 1191 min.(UT), 19:51 UT Xend = -0.634 nT amplitude = 15.312 nT base duration time = 52 min. 2sigma = 6.019 nT duration at 2sigma = 6 min. flagbegin = 0 flagend = 0 flagxcheck = 0