Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.12.2017 beginning time = 1129 min.(UT), 18:49 UT Xbegin = -17.192 nT time of max = 1165 min.(UT), 19:25 UT Xmax = 5.522 nT Y at Xmax = 20.288 nT endtime = 1183 min.(UT), 19:43 UT Xend = 1.962 nT amplitude = 22.714 nT base duration time = 54 min. 2sigma = 14.473 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0