Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.04.2020 beginning time = 1213 min.(UT), 20:13 UT Xbegin = -5.952 nT time of max = 1264 min.(UT), 21: 4 UT Xmax = 5.896 nT Y at Xmax = 1.602 nT endtime = 1305 min.(UT), 21:45 UT Xend = -4.056 nT amplitude = 11.848 nT base duration time = 92 min. 2sigma = 3.477 nT duration at 2sigma = 30 min. flagbegin = 4 flagend = 0 flagxcheck = 0