Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.08.2017 beginning time = 1075 min.(UT), 17:55 UT Xbegin = -13.848 nT time of max = 1105 min.(UT), 18:25 UT Xmax = 22.800 nT Y at Xmax = 14.364 nT endtime = 1140 min.(UT), 19: 0 UT Xend = -17.056 nT amplitude = 36.648 nT base duration time = 65 min. 2sigma = 12.892 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 2 flagxcheck = 0