Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.02.2008 beginning time = 1272 min.(UT), 21:12 UT Xbegin = -4.170 nT time of max = 1296 min.(UT), 21:36 UT Xmax = 9.886 nT Y at Xmax = -6.200 nT endtime = 1352 min.(UT), 22:32 UT Xend = -5.498 nT amplitude = 14.056 nT base duration time = 80 min. 2sigma = 7.125 nT duration at 2sigma = 13 min. flagbegin = 0 flagend = 2 flagxcheck = 0