Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.02.2007 beginning time = 1161 min.(UT), 19:21 UT Xbegin = -14.178 nT time of max = 1183 min.(UT), 19:43 UT Xmax = 21.904 nT Y at Xmax = 10.024 nT endtime = 1261 min.(UT), 21: 1 UT Xend = -13.524 nT amplitude = 36.082 nT base duration time =100 min. 2sigma = 9.686 nT duration at 2sigma = 23 min. flagbegin = 0 flagend = 4 flagxcheck = 0