Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.03.2021 beginning time = 1286 min.(UT), 21:26 UT Xbegin = -4.250 nT time of max = 1321 min.(UT), 22: 1 UT Xmax = 7.446 nT Y at Xmax = 0.182 nT endtime = 1364 min.(UT), 22:44 UT Xend = -1.920 nT amplitude = 11.696 nT base duration time = 78 min. 2sigma = 2.999 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0