Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.03.2021 beginning time = 1318 min.(UT), 21:58 UT Xbegin = -5.358 nT time of max = 1355 min.(UT), 22:35 UT Xmax = 8.254 nT Y at Xmax = 0.712 nT endtime = 1379 min.(UT), 22:59 UT Xend = -5.244 nT amplitude = 13.612 nT base duration time = 61 min. 2sigma = 3.007 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0