Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 03.03.2009 beginning time = 1134 min.(UT), 18:54 UT Xbegin = -7.458 nT time of max = 1162 min.(UT), 19:22 UT Xmax = 9.798 nT Y at Xmax = 8.998 nT endtime = 1211 min.(UT), 20:11 UT Xend = -7.110 nT amplitude = 17.256 nT base duration time = 77 min. 2sigma = 5.005 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0