Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.04.2019 beginning time = 1216 min.(UT), 20:16 UT Xbegin = -0.954 nT time of max = 1233 min.(UT), 20:33 UT Xmax = 5.108 nT Y at Xmax = 0.964 nT endtime = 1256 min.(UT), 20:56 UT Xend = -4.092 nT amplitude = 6.062 nT base duration time = 40 min. 2sigma = 3.957 nT duration at 2sigma = 9 min. flagbegin = 0 flagend = 0 flagxcheck = 0