Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.02.2019 beginning time = 1203 min.(UT), 20: 3 UT Xbegin = -14.550 nT time of max = 1247 min.(UT), 20:47 UT Xmax = 21.314 nT Y at Xmax = 5.572 nT endtime = 1294 min.(UT), 21:34 UT Xend = -3.496 nT amplitude = 35.864 nT base duration time = 91 min. 2sigma = 12.609 nT duration at 2sigma = 12 min. flagbegin = 0 flagend = 0 flagxcheck = 0