Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 21.07.2020 beginning time = 1403 min.(UT), 23:23 UT Xbegin = -2.428 nT time of max = 1426 min.(UT), 23:46 UT Xmax = 6.272 nT Y at Xmax = 4.524 nT endtime = 1467 min.(UT), 24:27 UT Xend = -2.256 nT amplitude = 8.700 nT base duration time = 64 min. 2sigma = 2.194 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0