Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 09.03.2017 beginning time = 1212 min.(UT), 20:12 UT Xbegin = -8.084 nT time of max = 1230 min.(UT), 20:30 UT Xmax = 12.174 nT Y at Xmax = 2.754 nT endtime = 1264 min.(UT), 21: 4 UT Xend = -5.726 nT amplitude = 20.258 nT base duration time = 52 min. 2sigma = 6.267 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0 flagxcheck = 0