Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.03.2008 beginning time = 1210 min.(UT), 20:10 UT Xbegin = -6.444 nT time of max = 1241 min.(UT), 20:41 UT Xmax = 14.320 nT Y at Xmax = -1.378 nT endtime = 1291 min.(UT), 21:31 UT Xend = -5.978 nT amplitude = 20.764 nT base duration time = 81 min. 2sigma = 8.832 nT duration at 2sigma = 30 min. flagbegin = 0 flagend = 0 flagxcheck = 0