Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 15.08.2013 beginning time = 1322 min.(UT), 22: 2 UT Xbegin = -6.354 nT time of max = 1354 min.(UT), 22:34 UT Xmax = 9.040 nT Y at Xmax = -4.450 nT endtime = 1381 min.(UT), 23: 1 UT Xend = -1.562 nT amplitude = 15.394 nT base duration time = 59 min. 2sigma = 8.155 nT duration at 2sigma = 8 min. flagbegin = 0 flagend = 0 flagxcheck = 0