Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.03.2007 beginning time = 1171 min.(UT), 19:31 UT Xbegin = -5.904 nT time of max = 1203 min.(UT), 20: 3 UT Xmax = 11.044 nT Y at Xmax = 15.312 nT endtime = 1263 min.(UT), 21: 3 UT Xend = -7.822 nT amplitude = 16.948 nT base duration time = 92 min. 2sigma = 5.701 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 2 flagxcheck = 0