Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.04.2018 beginning time = 1199 min.(UT), 19:59 UT Xbegin = 0.416 nT time of max = 1212 min.(UT), 20:12 UT Xmax = 5.462 nT Y at Xmax = 5.612 nT endtime = 1242 min.(UT), 20:42 UT Xend = -5.540 nT amplitude = 5.046 nT base duration time = 43 min. 2sigma = 3.995 nT duration at 2sigma = 9 min. flagbegin = 0 flagend = 0 flagxcheck = 0