Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.08.2017 beginning time = 1060 min.(UT), 17:40 UT Xbegin = -8.112 nT time of max = 1104 min.(UT), 18:24 UT Xmax = 11.134 nT Y at Xmax = 3.080 nT endtime = 1129 min.(UT), 18:49 UT Xend = -7.970 nT amplitude = 19.246 nT base duration time = 69 min. 2sigma = 6.385 nT duration at 2sigma = 20 min. flagbegin = 4 flagend = 0 flagxcheck = 0