Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.02.2008 beginning time = 1206 min.(UT), 20: 6 UT Xbegin = -1.636 nT time of max = 1224 min.(UT), 20:24 UT Xmax = 8.582 nT Y at Xmax = 3.876 nT endtime = 1260 min.(UT), 21: 0 UT Xend = -8.054 nT amplitude = 10.218 nT base duration time = 54 min. 2sigma = 3.785 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0