Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.03.2021 beginning time = 1238 min.(UT), 20:38 UT Xbegin = -7.168 nT time of max = 1255 min.(UT), 20:55 UT Xmax = 7.790 nT Y at Xmax = 0.930 nT endtime = 1280 min.(UT), 21:20 UT Xend = -3.620 nT amplitude = 14.958 nT base duration time = 42 min. 2sigma = 11.711 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0