Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.02.2021 beginning time = 1263 min.(UT), 21: 3 UT Xbegin = -7.534 nT time of max = 1319 min.(UT), 21:59 UT Xmax = 5.924 nT Y at Xmax = 1.394 nT endtime = 1370 min.(UT), 22:50 UT Xend = -6.452 nT amplitude = 13.458 nT base duration time =107 min. 2sigma = 4.023 nT duration at 2sigma = 26 min. flagbegin = 4 flagend = 2 flagxcheck = 0