Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 29.03.2010 beginning time = 1393 min.(UT), 23:13 UT Xbegin = -6.316 nT time of max = 1428 min.(UT), 23:48 UT Xmax = 8.606 nT Y at Xmax = -5.296 nT endtime = 1464 min.(UT), 24:24 UT Xend = -3.536 nT amplitude = 14.922 nT base duration time = 71 min. 2sigma = 3.277 nT duration at 2sigma = 30 min. flagbegin = 0 flagend = 0 flagxcheck = 0