Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 11.08.2015 beginning time = 1303 min.(UT), 21:43 UT Xbegin = -4.396 nT time of max = 1331 min.(UT), 22:10 UT Xmax = 7.756 nT Y at Xmax = -4.970 nT endtime = 1378 min.(UT), 22:58 UT Xend = -2.846 nT amplitude = 12.152 nT base duration time = 75 min. 2sigma = 5.927 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0