Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.04.2019 beginning time = 1201 min.(UT), 20: 1 UT Xbegin = -2.526 nT time of max = 1243 min.(UT), 20:43 UT Xmax = 5.882 nT Y at Xmax = 1.676 nT endtime = 1273 min.(UT), 21:13 UT Xend = -3.260 nT amplitude = 8.408 nT base duration time = 72 min. 2sigma = 3.323 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0