Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.08.2008 beginning time = 1388 min.(UT), 23: 8 UT Xbegin = -9.550 nT time of max = 1411 min.(UT), 23:31 UT Xmax = 8.672 nT Y at Xmax = -0.722 nT endtime = 1451 min.(UT), 24:11 UT Xend = -5.446 nT amplitude = 18.222 nT base duration time = 63 min. 2sigma = 3.076 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0