Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.08.2015 beginning time = 1265 min.(UT), 21: 5 UT Xbegin = -8.266 nT time of max = 1318 min.(UT), 21:59 UT Xmax = 27.146 nT Y at Xmax = 2.098 nT endtime = 1358 min.(UT), 22:38 UT Xend = -18.022 nT amplitude = 35.412 nT base duration time = 93 min. 2sigma = 19.933 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0