Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.08.2016 beginning time = 1160 min.(UT), 19:20 UT Xbegin = -3.044 nT time of max = 1175 min.(UT), 19:35 UT Xmax = 6.928 nT Y at Xmax = -5.872 nT endtime = 1213 min.(UT), 20:13 UT Xend = -8.678 nT amplitude = 9.972 nT base duration time = 53 min. 2sigma = 8.995 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0