Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 29.06.2008 beginning time = 1250 min.(UT), 20:50 UT Xbegin = -5.246 nT time of max = 1273 min.(UT), 21:13 UT Xmax = 7.504 nT Y at Xmax = 0.704 nT endtime = 1337 min.(UT), 22:17 UT Xend = -1.966 nT amplitude = 12.750 nT base duration time = 87 min. 2sigma = 3.943 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0 flagxcheck = 0