Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.08.2013 beginning time = 1406 min.(UT), 23:26 UT Xbegin = -1.138 nT time of max = 1418 min.(UT), 23:38 UT Xmax = 8.320 nT Y at Xmax = -8.670 nT endtime = 1449 min.(UT), 24: 9 UT Xend = -1.255 nT amplitude = 9.458 nT base duration time = 43 min. 2sigma = 3.007 nT duration at 2sigma = 15 min. flagbegin = 0 flagend = 0 flagxcheck = 0