Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.03.2021 beginning time = 1248 min.(UT), 20:48 UT Xbegin = -12.798 nT time of max = 1296 min.(UT), 21:36 UT Xmax = 13.112 nT Y at Xmax = 4.120 nT endtime = 1339 min.(UT), 22:19 UT Xend = -4.922 nT amplitude = 25.910 nT base duration time = 91 min. 2sigma = 8.282 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0 flagxcheck = 0