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 = 1313 min.(UT), 21:53 UT Xbegin = -3.324 nT time of max = 1334 min.(UT), 22:14 UT Xmax = 7.400 nT Y at Xmax = 3.088 nT endtime = 1352 min.(UT), 22:32 UT Xend = 1.034 nT amplitude = 10.724 nT base duration time = 39 min. 2sigma = 5.821 nT duration at 2sigma = 13 min. flagbegin = 0 flagend = 0 flagxcheck = 0