Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.08.2018 beginning time = 1091 min.(UT), 18:11 UT Xbegin = -7.116 nT time of max = 1107 min.(UT), 18:27 UT Xmax = 6.444 nT Y at Xmax = 7.638 nT endtime = 1136 min.(UT), 18:56 UT Xend = -3.632 nT amplitude = 13.560 nT base duration time = 45 min. 2sigma = 5.821 nT duration at 2sigma = 5 min. flagbegin = 0 flagend = 0 flagxcheck = 0