Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 31.03.2020 beginning time = 1181 min.(UT), 19:41 UT Xbegin = -5.476 nT time of max = 1209 min.(UT), 20: 9 UT Xmax = 13.136 nT Y at Xmax = 3.570 nT endtime = 1255 min.(UT), 20:55 UT Xend = -8.678 nT amplitude = 18.612 nT base duration time = 74 min. 2sigma = 8.355 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0