Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 29.01.2007 beginning time = 1298 min.(UT), 21:38 UT Xbegin = -13.908 nT time of max = 1326 min.(UT), 22: 6 UT Xmax = 14.260 nT Y at Xmax = 4.974 nT endtime = 1355 min.(UT), 22:35 UT Xend = -8.156 nT amplitude = 28.168 nT base duration time = 57 min. 2sigma = 22.716 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0