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 = 1080 min.(UT), 18: 0 UT Xbegin = -8.342 nT time of max = 1129 min.(UT), 18:49 UT Xmax = 14.118 nT Y at Xmax = 9.858 nT endtime = 1174 min.(UT), 19:34 UT Xend = -3.986 nT amplitude = 22.460 nT base duration time = 94 min. 2sigma = 7.125 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0 flagxcheck = 0