Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 19.04.2021 beginning time = 1096 min.(UT), 18:16 UT Xbegin = -10.544 nT time of max = 1146 min.(UT), 19: 6 UT Xmax = 9.548 nT Y at Xmax = -0.738 nT endtime = 1194 min.(UT), 19:54 UT Xend = -3.640 nT amplitude = 20.092 nT base duration time = 98 min. 2sigma = 8.212 nT duration at 2sigma = 17 min. flagbegin = 0 flagend = 0 flagxcheck = 0