Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.03.2021 beginning time = 1301 min.(UT), 21:41 UT Xbegin = -10.784 nT time of max = 1320 min.(UT), 22: 0 UT Xmax = 20.336 nT Y at Xmax = -3.772 nT endtime = 1363 min.(UT), 22:43 UT Xend = -6.868 nT amplitude = 31.120 nT base duration time = 62 min. 2sigma = 6.369 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0