Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.08.2013 beginning time = 1387 min.(UT), 23: 7 UT Xbegin = -11.316 nT time of max = 1413 min.(UT), 23:33 UT Xmax = 11.760 nT Y at Xmax = -6.002 nT endtime = 1458 min.(UT), 24:18 UT Xend = -4.370 nT amplitude = 23.076 nT base duration time = 71 min. 2sigma = 11.096 nT duration at 2sigma = 8 min. flagbegin = 0 flagend = 0 flagxcheck = 0