Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.08.2013 beginning time = 1374 min.(UT), 22:54 UT Xbegin = -10.602 nT time of max = 1426 min.(UT), 23:46 UT Xmax = 7.508 nT Y at Xmax = 1.012 nT endtime = 1450 min.(UT), 24:10 UT Xend = 0.370 nT amplitude = 18.110 nT base duration time = 76 min. 2sigma = 5.203 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0 flagxcheck = 0