Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.03.2018 beginning time = 1331 min.(UT), 22:11 UT Xbegin = -5.484 nT time of max = 1373 min.(UT), 22:53 UT Xmax = 12.234 nT Y at Xmax = -8.854 nT endtime = 1421 min.(UT), 23:41 UT Xend = -13.300 nT amplitude = 17.718 nT base duration time = 90 min. 2sigma = 7.880 nT duration at 2sigma = 36 min. flagbegin = 0 flagend = 0 flagxcheck = 0