Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.03.2019 beginning time = 1375 min.(UT), 22:55 UT Xbegin = -10.510 nT time of max = 1424 min.(UT), 23:44 UT Xmax = 7.132 nT Y at Xmax = -1.424 nT endtime = 1478 min.(UT), 24:38 UT Xend = -4.258 nT amplitude = 17.642 nT base duration time =103 min. 2sigma = 6.384 nT duration at 2sigma = 19 min. flagbegin = 4 flagend = 2 flagxcheck = 0