Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 19.03.2008 beginning time = 1072 min.(UT), 17:52 UT Xbegin = -0.134 nT time of max = 1092 min.(UT), 18:12 UT Xmax = 5.612 nT Y at Xmax = 3.182 nT endtime = 1134 min.(UT), 18:54 UT Xend = -6.818 nT amplitude = 5.746 nT base duration time = 62 min. 2sigma = 4.902 nT duration at 2sigma = 9 min. flagbegin = 0 flagend = 0 flagxcheck = 0